A cold front advancing across southern Brazil is the main driver behind the tight clustering of market-implied odds around 17–18 °C for São Paulo’s daily minimum on September 21. Recent model runs from regional and global forecasts show overnight temperatures falling to the upper teens Celsius as northerly winds shift southeasterly and cloud cover increases, limiting radiative cooling yet still allowing a dip below the recent warm spell. Historical September minima average near 12–14 °C, but 2026 has run several degrees above climatology until this system; the front’s timing and intensity introduce the observed uncertainty between 16 °C or lower and 18 °C outcomes. Updated guidance from Brazilian meteorological services and international ensembles expected later today will likely refine the exact low before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateLowest temperature in Sao Paulo on September 21?
Lowest temperature in Sao Paulo on September 21?
16°C or below 90%
17°C 90%
19°C <1%
20°C <1%
$710 Vol.
$710 Vol.
Sep 21, 2026
16°C or below
90%
17°C
90%
18°C
-
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C or higher
<1%
16°C or below 90%
17°C 90%
19°C <1%
20°C <1%
$710 Vol.
$710 Vol.
Sep 21, 2026
16°C or below
$15 Vol.
90%
17°C
$25 Vol.
90%
18°C
$205 Vol.
-
19°C
$238 Vol.
<1%
20°C
$112 Vol.
<1%
21°C
$35 Vol.
<1%
22°C
$15 Vol.
<1%
23°C
$15 Vol.
<1%
24°C
$15 Vol.
<1%
25°C
$15 Vol.
<1%
26°C or higher
$20 Vol.
<1%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 21 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.A cold front advancing across southern Brazil is the main driver behind the tight clustering of market-implied odds around 17–18 °C for São Paulo’s daily minimum on September 21. Recent model runs from regional and global forecasts show overnight temperatures falling to the upper teens Celsius as northerly winds shift southeasterly and cloud cover increases, limiting radiative cooling yet still allowing a dip below the recent warm spell. Historical September minima average near 12–14 °C, but 2026 has run several degrees above climatology until this system; the front’s timing and intensity introduce the observed uncertainty between 16 °C or lower and 18 °C outcomes. Updated guidance from Brazilian meteorological services and international ensembles expected later today will likely refine the exact low before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 21 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Binuksan ang Market: Sep 19, 2026, 8:29 AM ET
Volume
$710Petsa ng Pagtatapos
Sep 21, 2026Binuksan ang Market
Sep 19, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 21 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.A cold front advancing across southern Brazil is the main driver behind the tight clustering of market-implied odds around 17–18 °C for São Paulo’s daily minimum on September 21. Recent model runs from regional and global forecasts show overnight temperatures falling to the upper teens Celsius as northerly winds shift southeasterly and cloud cover increases, limiting radiative cooling yet still allowing a dip below the recent warm spell. Historical September minima average near 12–14 °C, but 2026 has run several degrees above climatology until this system; the front’s timing and intensity introduce the observed uncertainty between 16 °C or lower and 18 °C outcomes. Updated guidance from Brazilian meteorological services and international ensembles expected later today will likely refine the exact low before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 21 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Volume
$710Petsa ng Pagtatapos
Sep 21, 2026Binuksan ang Market
Sep 19, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...A cold front advancing across southern Brazil is the main driver behind the tight clustering of market-implied odds around 17–18 °C for São Paulo’s daily minimum on September 21. Recent model runs from regional and global forecasts show overnight temperatures falling to the upper teens Celsius as northerly winds shift southeasterly and cloud cover increases, limiting radiative cooling yet still allowing a dip below the recent warm spell. Historical September minima average near 12–14 °C, but 2026 has run several degrees above climatology until this system; the front’s timing and intensity introduce the observed uncertainty between 16 °C or lower and 18 °C outcomes. Updated guidance from Brazilian meteorological services and international ensembles expected later today will likely refine the exact low before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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