September weather forecastLe Mesnil-Opac, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Le Mesnil-Opac, France, with temperature in the range of an average high of 18.9°C (66°F) and an average low of 11.4°C (52.5°F).Temperature
The transition into September shows a subtle variation to a refreshing 18.9°C (66°F) from August's 21°C (69.8°F) in the average high-temperature. Throughout September in Le Mesnil-Opac, a steady low-temperature average of 11.4°C (52.5°F) is noted.Humidity
The months with the lowest humidity in Le Mesnil-Opac are July through September, with an average relative humidity of 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 25mm (0.98") of precipitation.Snowfall
In Le Mesnil-Opac, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:21 and sunset at 20:46. On the last day of September, sunrise is at 08:03 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September in Le Mesnil-Opac, France, is 7.2h.UV index
The average daily maximum UV index in September in Le Mesnil-Opac is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Mesnil-Opac, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Le Mesnil-Opac, 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 (1012.2mbar).
Average wind speed in September
Le Mesnil-Opac, France
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Le Mesnil-Opac, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in September
Le Mesnil-Opac, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Le Mesnil-Opac, France
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in September
Le Mesnil-Opac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Mesnil-Opac, 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
Le Mesnil-Opac, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Le Mesnil-Opac, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Le Mesnil-Opac, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Le Mesnil-Opac, France
- Average cloud cover in September: 42
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in September
Le Mesnil-Opac, 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).
