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
The advent of September brings a slight shift in average high-temperature, moving from a warm 23.8°C (74.8°F) in August to a comfortable 18.9°C (66°F). Les Salces's temperature drops to an average low of 7.4°C (45.3°F) during the nights of September.Humidity
In Les Salces, France, the average relative humidity in September is 76%.Rainfall
In Les Salces, in September, it is raining for 10.4 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 138.7 rainfall days, and 637mm (25.08") of precipitation is accumulated.Snowfall
Months with snowfall in Les Salces are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in Les Salces, there are 53 snowfall days, and 938mm (36.93") of snow is accumulated.Daylight
In Les Salces, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 07:10 and sunset at 20:23. On the last day of September, in Les Salces, sunrise is at 07:44 and sunset at 19:29 CEST.
Sunshine
In Les Salces, the average sunshine in September is 8.2h.UV index
In Les Salces, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the average September temperature in Les Salces?
What is the average humidity in September in Les Salces?
How much does it rain in Les Salces in September?
When does it start snowing in Les Salces?
What is the average length of the day in September in Les Salces?
What time are sunrise and sunset in September in Les Salces?
How many hours of sunshine does Les Salces have in September?
What is the UV index intensity in September in Les Salces?
Average temperature in September
Les Salces, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Les Salces, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Les Salces, France
- Average wind speed in September: 9km/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 (8.8km/h).
Average humidity in September
Les Salces, France
- Average humidity in September: 76%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Les Salces, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (31mm).
Average rainfall days in September
Les Salces, France
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Les Salces, France
- Average snowfall in September: 3mm
The month with the highest snowfall is January (213mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Les Salces, France
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Les Salces, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in September
Les Salces, France
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in September
Les Salces, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Les Salces, France
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Les Salces, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, October, November and December (7km).
Les Salces, France
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