Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The average high-temperature slightly decreases in September, shifting from an agreeable 21.9°C (71.4°F) in August to a comfortable 17.7°C (63.9°F). Throughout September, Le Mémont encounters an average temperature drop to a frosty 8°C (46.4°F).Humidity
The average relative humidity in September is 85%.Rainfall
September is the month with the least rainfall. Rain falls for 16 days and accumulates 59mm (2.32") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:53 and sunset at 20:13. On the last day of September, sunrise is at 07:31 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Le Mémont, France
- Average high temperature in September: 17.7°C
The warmest months (with the highest average high temperature) are July and August (21.9°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8°C
The months with the highest average low temperature are July and August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Le Mémont, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Le Mémont, France
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Le Mémont, France
- Average humidity in September: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Le Mémont, France
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is June (140mm).
The driest month (with the least rainfall) is September (59mm).
Average rainfall days in September
Le Mémont, France
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Le Mémont, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (515mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Le Mémont, France
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and February (16.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Le Mémont, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in September
Le Mémont, France
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is October (13 days).
The month with the least sunshine days is June (4.2 days).
Average UV index in September
Le Mémont, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Le Mémont, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Le Mémont, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).
