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 September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 25.1°C (77.2°F) in August to a pleasant 20.5°C (68.9°F). In Longechenal, an average nighttime temperature of 10.1°C (50.2°F) is expected during September.Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Longechenal is September, when the rain falls for 11.4 days and typically collects 34mm (1.34") of precipitation.Snowfall
In Longechenal, snow does not fall in June through September.Daylight
The average length of the day in September in Longechenal, France, is 12h and 32min.On the first day of September, sunrise is at 07:00 and sunset at 20:16. On the last day of the month, sunrise is at 07:36 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September in Longechenal is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Longechenal?
What is the average humidity in September in Longechenal?
What is the driest month in Longechenal?
How much does it rain in Longechenal in September?
When it does not snow in Longechenal?
Does it snow in Longechenal in September?
What is the average length of the day in September in Longechenal?
What time are sunrise and sunset in September in Longechenal?
How long on average sun shines in September in Longechenal?
What is the UV index intensity in September in Longechenal?
Average temperature in September
Longechenal, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Longechenal, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Longechenal, France
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in September
Longechenal, France
- Average humidity in September: 79%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Longechenal, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Longechenal, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is August (11 days).
Average snowfall in September
Longechenal, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Longechenal, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Longechenal, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Longechenal, France
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Longechenal, 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
Longechenal, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Longechenal, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
