September weather forecastGrumesnil, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grumesnil, France, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 19.6°C (67.3°F).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a pleasant 22.9°C (73.2°F) in August to a refreshing 19.6°C (67.3°F). Throughout the month of September, Grumesnil witnesses an average low-temperature of 10.5°C (50.9°F).Humidity
In September, the average relative humidity in Grumesnil is 78%.Rainfall
September is the month with the least rainfall in Grumesnil, France. Rain falls for 11.4 days and accumulates 21mm (0.83") of precipitation.Snowfall
In Grumesnil, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September, sunrise is at 07:09 and sunset at 20:36. On the last day of the month, sunrise is at 07:52 and sunset at 19:33 CEST.
Sunshine
In September, the average sunshine in Grumesnil, France, is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. 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
Grumesnil, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Grumesnil, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Grumesnil, France
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Grumesnil, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Grumesnil, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Grumesnil, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Grumesnil, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Grumesnil, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Grumesnil, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
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: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Grumesnil, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Grumesnil, 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
Grumesnil, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in September
Grumesnil, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, May and November (8km).
