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September Weather in Mainsat, France

Last updated: August 23, 2025

In Mainsat, France, the average temperature in September hovers around 15°C (60°F), with minimums dipping to a chilly 2°C (36°F) and maximums soaring to a warm 32°C (90°F). Precipitation is moderate, averaging 65 mm (2.6 in) over about 10 days. With an average humidity of 79%, be prepared for a pleasantly moist atmosphere!

September Temperature in Mainsat

In September in Mainsat, the average temperature is 15°C (60°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 2°C (36°F). Travelers should pack accordingly to enjoy both warm days and cooler nights.

September Weather in Mainsat: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mainsat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mainsat, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec374144495563666660524340
Data source: Temperature data for Mainsat generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mainsat

In Mainsat in September, the precipitation amount is 65 mm (2.6 in) over a span of 10 days.

September Precipitation Trends in Mainsat

The chart displays monthly precipitation patterns in Mainsat, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Mainsat, September typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec766680631071047353667279116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mainsat

In Mainsat in September, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Mainsat

This chart illustrates the average monthly humidity levels in Mainsat, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Mainsat is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mainsat

In Mainsat in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mainsat.

Maximum UV Index Levels in Mainsat for September

The chart shows the monthly maximum UV Index (UVI) for Mainsat in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Mainsat typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Mainsat September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Mainsat Compares to Other Months

Weather in Mainsat varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mainsat, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mainsat, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)76 mm (3.0 inches)90%low
February Weather5°C (42°F)66 mm (2.6 inches)87%moderate
March Weather7°C (44°F)80 mm (3.1 inches)85%high
April Weather9°C (49°F)63 mm (2.5 inches)84%high
May Weather13°C (55°F)107 mm (4.2 inches)84%very high
June Weather17°C (63°F)104 mm (4.1 inches)82%very high
July Weather19°C (67°F)73 mm (2.9 inches)79%very high
August Weather19°C (66°F)53 mm (2.1 inches)75%very high
September Weather15°C (60°F)65 mm (2.6 inches)79%high
October Weather11°C (52°F)72 mm (2.8 inches)86%moderate
November Weather6°C (44°F)79 mm (3.1 inches)90%moderate
December Weather4°C (40°F)116 mm (4.6 inches)92%low

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