The weather in September in Posta General San Martín

It's hot in September in Posta General San Martín with an average temperature of 30°C. Temperatures this month range from a low of 26°C to a high of 33°C. At night, you can expect temperatures between 13°C and 20°C.

September is a good month to be in Posta General San Martín for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Posta General San Martín, Argentina. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 45°C in 2023, Posta General San Martín reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 28°C.

Rainfall amount

In September, there is an average of 49 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Posta General San Martín

Click on any day in September to get detailed info about the usual weather on that day in Posta General San Martín. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Posta General San Martín New York
Average temperature 30°C 27°C
Max. temperature 33°C 31°C
Min. temperature 13°C -5°C
Total precipitation 49 mm 57 mm
Rainy days 8 days 9 days

Start of September

The month of September starts in Posta General San Martín with hot temps, averaging around 29°C during the day and nights around 16°C.

Mid September

By mid-September, daytime temps rise to around 30°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Posta General San Martín is around 32°C, while nighttime temps are about 18°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Posta General San Martín for all months and discover the best travel time

Curious about the weather in other parts of Argentina? Check out the climate and weather for spots like Buenos Aires, Patagonia, Ushuaia, or explore other destinations in Argentina.

Temperature charts

These charts show the average temperatures in September in Posta General San Martín, Argentina. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Posta General San Martín

Temperature in September in Posta General San Martín over the years

Precipitation charts

These charts show the average amount of precipitation in September in Posta General San Martín, Argentina. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Posta General San Martín

Total precipitation in September in Posta General San Martín over the years

Daily UV index in September in Posta General San Martín

This chart shows the average daily UV index in September in Posta General San Martín, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Posta General San Martín

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Average weather in Posta General San Martín by month

Click on a month below to see detailed weather info for Posta General San Martín. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.