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 transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 21.1°C (70°F) from August's warm 25.9°C (78.6°F). During September, Alrance observes a consistent average nighttime temperature of 9.2°C (48.6°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In Alrance, in September, during 8.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Alrance, there are 136.7 rainfall days, and 468mm (18.43") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Alrance.Daylight
In Alrance, the average length of the day in September is 12h and 31min.On the first day of September in Alrance, sunrise is at 07:12 and sunset at 20:25. On the last day of the month, sunrise is at 07:46 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Alrance is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in September in Alrance?
What is the average humidity in September in Alrance?
How much does it rain in Alrance in September?
When it does not snow in Alrance?
Does it snow in Alrance in September?
What is the average length of the day in September in Alrance?
What time are sunrise and sunset in September in Alrance?
How many hours of sunshine does Alrance have in September?
How high is the UV index in September in Alrance?
Average temperature in September
Alrance, France
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure in September
Alrance, 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
Alrance, France
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).
Average humidity in September
Alrance, France
- Average humidity in September: 73%
The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Alrance, France
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in September
Alrance, France
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Alrance, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alrance, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alrance, 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: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 30min).
Average sunshine days in September
Alrance, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in September
Alrance, France
- Average UV index in September: 4
The month with the highest UV index is 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
Alrance, France
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Alrance, France
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (7km).
Alrance, France
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