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September Weather in Martignat, France

Last updated: August 23, 2025

In September, the average temperature in Martignat, France hovers around 16°C (62°F). Expect minimums dipping to 3°C (38°F) and highs soaring up to 31°C (88°F). With an average humidity of 81%, you'll likely experience a moist atmosphere. Be prepared for rain, as 89 mm (3.5 in) of precipitation can be expected over about 9 days during the month.

September Temperature in Martignat

In September in Martignat, the average temperature is 16°C (62°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 3°C (38°F). Pack accordingly to enjoy the pleasant days while being prepared for cooler evenings!

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

The chart illustrates September temperature patterns in Martignat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Martignat, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec364145525766696861534339
Data source: Temperature data for Martignat 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 Martignat

In Martignat in September, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

September Precipitation Trends in Martignat

The chart displays monthly precipitation patterns in Martignat, 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 Martignat, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec13910414567156133928389123129237
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Martignat

In Martignat in September, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

September Average Humidity in Martignat

This chart illustrates the average monthly humidity levels in Martignat, 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 Martignat is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Martignat

In Martignat in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Martignat, you can refer to this Hourly UV Index in Martignat.

Maximum UV Index Levels in Martignat for September

The chart shows the monthly maximum UV Index (UVI) for Martignat 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 Martignat typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356810986432
Data source: Martignat 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 Martignat Compares to Other Months

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

This table compares monthly weather conditions in Martignat, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)139 mm (5.5 inches)91%low
February Weather5°C (42°F)104 mm (4.1 inches)89%moderate
March Weather7°C (46°F)145 mm (5.7 inches)87%moderate
April Weather11°C (52°F)67 mm (2.6 inches)84%high
May Weather14°C (58°F)156 mm (6.2 inches)80%very high
June Weather19°C (66°F)133 mm (5.2 inches)82%very high
July Weather21°C (70°F)92 mm (3.6 inches)82%very high
August Weather20°C (69°F)83 mm (3.3 inches)77%very high
September Weather16°C (62°F)89 mm (3.5 inches)81%high
October Weather12°C (53°F)123 mm (4.8 inches)89%moderate
November Weather6°C (43°F)128 mm (5.1 inches)89%moderate
December Weather4°C (39°F)237 mm (9.3 inches)91%low

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