September weather forecastAlteckendorf, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Alteckendorf, France, with an average temperature varying between 9.5°C (49.1°F) and 19.5°C (67.1°F).Temperature
September is characterized by a mild reduction in the average high-temperature, from a warm 24°C (75.2°F) in August to an enjoyable 19.5°C (67.1°F). An average low-temperature of 9.5°C (49.1°F) is anticipated throughout the nights during September.Humidity
In Alteckendorf, the average relative humidity in September is 79%.Rainfall
In Alteckendorf, in September, during 12.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Alteckendorf, during the entire year, the rain falls for 179.6 days and collects up to 606mm (23.86") of precipitation.Snowfall
In Alteckendorf, snow does not fall in June through September.Daylight
In Alteckendorf, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:47 and sunset at 20:11. On the last day of September, sunrise is at 07:28 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alteckendorf, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24°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 (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Alteckendorf, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Alteckendorf, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Alteckendorf, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Alteckendorf, France
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Alteckendorf, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Alteckendorf, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alteckendorf, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alteckendorf, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Alteckendorf, France
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Alteckendorf, 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, November and December (UV index 2).
Average cloud cover in September
Alteckendorf, France
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Alteckendorf, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).





