September weather forecastAlsting, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Alsting, France, with an average temperature fluctuating between 9.5°C (49.1°F) and 19.1°C (66.4°F).Temperature
In September, the average high-temperature marginally drops from a moderately hot 23.4°C (74.1°F) in August to a refreshing 19.1°C (66.4°F). Alsting, during September nights, observes an average temperature of 9.5°C (49.1°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Alsting, during the entire year, the rain falls for 152.3 days and collects up to 402mm (15.83") of precipitation.Snowfall
In Alsting, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:49 and sunset at 20:14. On the last day of September, sunrise is at 07:31 and sunset at 19:12 CEST.
Sunshine
In Alsting, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alsting, France
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (23.7°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Alsting, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Alsting, France
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Alsting, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Alsting, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (45mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Alsting, France
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.4 days).
The months with the least rainy days are February and September (10.3 days).
Average snowfall in September
Alsting, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Alsting, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 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
Alsting, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Alsting, France
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is September (17.8 days).
The months with the least sunshine days are June and December (12.7 days).
Average UV index in September
Alsting, France
- Average UV index in September: 3
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
Alsting, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Alsting, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, February, May, September, October, November and December (8km).
