September weather forecastGrattepanche, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Grattepanche, France, with an average temperature fluctuating between 11°C (51.8°F) and 19.4°C (66.9°F).Temperature
Grattepanche in September experiences a gentle temperature dip, with average high-temperatures reducing from an agreeable 22.8°C (73°F) in August to an enjoyable 19.4°C (66.9°F). Grattepanche experiences an average temperature drop to a fresh 11°C (51.8°F) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Grattepanche, France. Rain falls for 11.3 days and accumulates 16mm (0.63") of precipitation.Snowfall
In Grattepanche, snow does not fall in April through October.Daylight
In Grattepanche, the average length of the day in September is 12h and 37min.On the first day of September in Grattepanche, sunrise is at 07:07 and sunset at 20:34. On the last day of the month, sunrise is at 07:50 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In September, the average daily maximum UV index in Grattepanche is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grattepanche, France
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Grattepanche, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Grattepanche, France
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Grattepanche, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Grattepanche, France
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Grattepanche, France
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Grattepanche, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Grattepanche, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Grattepanche, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Grattepanche, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Grattepanche, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Grattepanche, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Grattepanche, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
