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
Weather in September
Temperature
A mild shift in the average high-temperature occurs in September, reducing from a warm 24.9°C (76.8°F) in August to a pleasant 20.3°C (68.5°F). Longes witnesses a consistent average low-temperature of 9.9°C (49.8°F) throughout September.Humidity
The average relative humidity in September in Longes is 77%.Rainfall
In Longes, in September, during 11 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Longes, there are 153.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.Snowfall
In Longes, snow does not fall in June through September.Daylight
The average length of the day in September in Longes is 12h and 32min.On the first day of September, sunrise is at 07:03 and sunset at 20:18. On the last day of the month, sunrise is at 07:38 and sunset at 19:23 CEST.
Sunshine
In Longes, the average sunshine in September is 8.1h.UV index
In Longes, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Longes in September?
What is the average humidity in September in Longes?
How much does it rain in Longes in September?
When it does not snow in Longes?
Does it snow in Longes in September?
What is the average length of the day in September in Longes?
When is the sunrise / sunset in September in Longes?
How long on average sun shines in September in Longes?
What is the UV index intensity in September in Longes?
Average temperature in September
Longes, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in September
Longes, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Longes, France
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Longes, France
- Average humidity in September: 77%
The months with the highest relative humidity are November and December (86%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Longes, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Longes, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is December (10 days).
Average snowfall in September
Longes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Longes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Longes, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Longes, France
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in September
Longes, 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
Longes, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Longes, 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).
Longes, France
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