September weather forecastGaillères, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Gaillères, France, with an average temperature varying between 25.1°C (77.2°F) and 12.9°C (55.2°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from 28.5°C (83.3°F) in August to a still warm 25.1°C (77.2°F). Gaillères observes a noteworthy temperature drop from the daily highs during September nights, with a mean temperature of 12.9°C (55.2°F).Humidity
In Gaillères, the average relative humidity in September is 72%.Rainfall
In Gaillères, in September, during 11.7 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Gaillères, France, during the entire year, the rain falls for 177.5 days and collects up to 528mm (20.79") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Gaillères, the average length of the day in September is 12h and 31min.On the first day of September in Gaillères, sunrise is at 07:25 and sunset at 20:37. On the last day of the month, sunrise is at 07:58 and sunset at 19:44 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Gaillères is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gaillères, France
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Gaillères, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Gaillères, France
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in September
Gaillères, France
- Average humidity in September: 72%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Gaillères, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in September
Gaillères, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (11.5 days).
Average snowfall in September
Gaillères, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gaillères, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Gaillères, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 0min).
Average sunshine days in September
Gaillères, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Gaillères, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Gaillères, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Gaillères, France
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is January (7km).





