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
In Lemmes, the average high-temperature in September slightly decreases from a moderately hot 23.9°C (75°F) in August to a refreshing 19.6°C (67.3°F). In Lemmes, an average temperature of 10.3°C (50.5°F) is noted during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Lemmes, France, in September, during 11.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Lemmes, there are 187.8 rainfall days, and 583mm (22.95") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Lemmes, France, is 12h and 35min.On the first day of September, sunrise is at 06:56 and sunset at 20:21. On the last day of the month, sunrise is at 07:37 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lemmes?
What is the average humidity in September in Lemmes?
How much does it rain in Lemmes in September?
When it does not snow in Lemmes?
How many hours of daylight does Lemmes have in September?
When is the sunrise / sunset in September in Lemmes?
How many hours of sunshine does Lemmes have in September?
How high is the UV index in September in Lemmes?
Average temperature in September
Lemmes, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in September
Lemmes, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in September
Lemmes, France
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Lemmes, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Lemmes, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Lemmes, France
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is September (11.9 days).
Average snowfall in September
Lemmes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lemmes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Lemmes, France
- Average daylight in September: 12h and 4min
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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Lemmes, France
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Lemmes, 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
Lemmes, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Lemmes, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
