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September Weather in Sissonne, France

Last updated: August 23, 2025

In Sissonne, France, the average temperature in September hovers around 16°C (62°F), with a minimum of 4°C (40°F) and a maximum reaching up to 35°C (95°F). Expect 56 mm (2.2 in) of precipitation spread over 8 days, contributing to the region's average humidity of 81%. Stay prepared for a mix of conditions!

September Temperature in Sissonne

In September in Sissonne, the average temperature is 16°C (62°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 4°C (40°F). This diverse temperature range makes Sissonne an ideal destination for travelers looking to experience both warm and cooler weather.

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

The chart illustrates September temperature patterns in Sissonne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sissonne, September typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245515766686861544542
Data source: Temperature data for Sissonne 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 Sissonne

In Sissonne in September, the precipitation amount is 56 mm (2.2 in) over the course of 8 days.

September Precipitation Trends in Sissonne

The chart displays monthly precipitation patterns in Sissonne, 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 Sissonne, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7680814061626366568971123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sissonne

In Sissonne 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 Sissonne

This chart illustrates the average monthly humidity levels in Sissonne, 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 Sissonne is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sissonne

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

Maximum UV Index Levels in Sissonne for September

The chart shows the monthly maximum UV Index (UVI) for Sissonne 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 Sissonne typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Sissonne 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 Sissonne Compares to Other Months

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

This table compares monthly weather conditions in Sissonne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)76 mm (3.0 inches)91%low
February Weather5°C (42°F)80 mm (3.1 inches)89%moderate
March Weather7°C (46°F)81 mm (3.2 inches)86%moderate
April Weather11°C (51°F)40 mm (1.6 inches)84%high
May Weather14°C (58°F)61 mm (2.4 inches)82%very high
June Weather19°C (66°F)62 mm (2.4 inches)82%very high
July Weather20°C (68°F)63 mm (2.5 inches)80%very high
August Weather20°C (68°F)65 mm (2.6 inches)76%very high
September Weather16°C (62°F)56 mm (2.2 inches)81%high
October Weather12°C (54°F)89 mm (3.5 inches)88%moderate
November Weather7°C (45°F)71 mm (2.8 inches)92%low
December Weather5°C (42°F)123 mm (4.8 inches)93%low

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