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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 27.3°C (81.1°F) to an agreeable 22.5°C (72.5°F). Les Cassés, during the month of September, experiences an average low-temperature of 12°C (53.6°F).Humidity
The average relative humidity in September in Les Cassés is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 8.9 days and accumulates 20mm (0.79") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Les Cassés is 12h and 30min.On the first day of the month, sunrise is at 07:17 and sunset at 20:27. On the last day of September, in Les Cassés, sunrise is at 07:49 and sunset at 19:35 CEST.
Sunshine
In Les Cassés, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Les Cassés in September?
What is the average humidity in September in Les Cassés?
What is the driest month in Les Cassés?
How much does it rain in Les Cassés in September?
When it does not snow in Les Cassés?
What is the average length of the day in September in Les Cassés?
What time are sunrise and sunset in September in Les Cassés?
How long on average sun shines in September in Les Cassés?
What is the UV index intensity in September in Les Cassés?
Average temperature in September
Les Cassés, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Les Cassés, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Les Cassés, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Les Cassés, France
- Average humidity in September: 73%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Les Cassés, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are January, May and November (63mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Les Cassés, France
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Les Cassés, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Les Cassés, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Les Cassés, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Les Cassés, France
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Les Cassés, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Les Cassés, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Les Cassés, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, November and December (8km).
Les Cassés, France
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