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September Weather in Boult, France

Last updated: August 23, 2025

In September, the average temperature in Boult, France hovers around 17°C (63°F). Expect a minimum of 5°C (41°F) and a maximum of 33°C (92°F), providing a wide range for climate enthusiasts. Rainfall averages 54 mm (2.1 in) over about 9 days, while the average humidity sits at a comfortable 81%. Embrace the variety this month brings!

September Temperature in Boult

In September in Boult, the average temperature is 17°C (63°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 5°C (41°F). This varied climate makes Boult an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Boult, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boult, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec374246525968717063544440
Data source: Temperature data for Boult 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 Boult

In Boult in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

September Precipitation Trends in Boult

The chart displays monthly precipitation patterns in Boult, 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 Boult, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1079210654122846553549089160
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boult

In Boult in September humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

September Average Humidity in Boult

This chart illustrates the average monthly humidity levels in Boult, 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 Boult 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 Boult

In Boult 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 Boult, you can refer to this Hourly UV Index in Boult.

Maximum UV Index Levels in Boult for September

The chart shows the monthly maximum UV Index (UVI) for Boult 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 Boult typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Boult 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 Boult Compares to Other Months

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

This table compares monthly weather conditions in Boult, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)107 mm (4.2 inches)91%low
February Weather5°C (42°F)92 mm (3.6 inches)89%moderate
March Weather8°C (46°F)106 mm (4.2 inches)87%moderate
April Weather11°C (53°F)54 mm (2.1 inches)84%high
May Weather15°C (59°F)121 mm (4.8 inches)80%very high
June Weather20°C (68°F)84 mm (3.3 inches)82%very high
July Weather22°C (71°F)65 mm (2.5 inches)82%very high
August Weather21°C (71°F)53 mm (2.1 inches)77%very high
September Weather17°C (63°F)54 mm (2.1 inches)81%high
October Weather12°C (54°F)90 mm (3.5 inches)89%moderate
November Weather7°C (44°F)89 mm (3.5 inches)89%low
December Weather5°C (41°F)160 mm (6.3 inches)91%low

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