Latest National Meteorological Service and global model guidance point to a northerly airflow advecting milder air into the Río de la Plata region on 20 September, supporting afternoon maxima near 24–26 °C under partly cloudy skies. However, an approaching frontal boundary is expected to trigger scattered thunderstorms by midday or early afternoon, introducing uncertainty through evaporative cooling and reduced insolation that could cap the daily high. Historical September climatology shows typical maxima of 18–20 °C, so the current setup represents a notable positive anomaly driven by the warm advection. Traders appear to weigh the balance between peak heating before convection develops versus post-storm cooling, keeping the 24–26 °C band tightly contested with modest probabilities spread across nearby outcomes. Updated model runs and official SMN briefings tomorrow morning will refine the timing of any rain and the resulting temperature trajectory.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiHighest temperature in Buenos Aires on September 20?
25°C 26%
26°C 22%
24°C 18%
27°C 15%
$14,146 Vol.
$14,146 Vol.
18°C or below
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
3%
23°C
10%
24°C
18%
25°C
26%
26°C
22%
27°C
15%
28°C or higher
9%
25°C 26%
26°C 22%
24°C 18%
27°C 15%
$14,146 Vol.
$14,146 Vol.
18°C or below
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
3%
23°C
10%
24°C
18%
25°C
26%
26°C
22%
27°C
15%
28°C or higher
9%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=saez
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.
Pasar Dibuka: Sep 18, 2026, 8:55 AM ET
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=saezResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=saez
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.
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=saezResolver
0x69c47De9D...Latest National Meteorological Service and global model guidance point to a northerly airflow advecting milder air into the Río de la Plata region on 20 September, supporting afternoon maxima near 24–26 °C under partly cloudy skies. However, an approaching frontal boundary is expected to trigger scattered thunderstorms by midday or early afternoon, introducing uncertainty through evaporative cooling and reduced insolation that could cap the daily high. Historical September climatology shows typical maxima of 18–20 °C, so the current setup represents a notable positive anomaly driven by the warm advection. Traders appear to weigh the balance between peak heating before convection develops versus post-storm cooling, keeping the 24–26 °C band tightly contested with modest probabilities spread across nearby outcomes. Updated model runs and official SMN briefings tomorrow morning will refine the timing of any rain and the resulting temperature trajectory.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · Diperbarui
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