September weather forecastRittershoffen, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Rittershoffen, France, with an average temperature fluctuating between 20.6°C (69.1°F) and 10.4°C (50.7°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's warm 25.3°C (77.5°F) to an agreeable 20.6°C (69.1°F). In Rittershoffen, an average low-temperature of 10.4°C (50.7°F) is recorded during September nights.Humidity
In Rittershoffen, the average relative humidity in September is 76%.Rainfall
In Rittershoffen, in September, it is raining for 9.9 days, with typically 25mm (0.98") of accumulated precipitation. In Rittershoffen, during the entire year, the rain falls for 142.1 days and collects up to 376mm (14.8") of precipitation.Snowfall
In Rittershoffen, snow does not fall in April through September.Daylight
In Rittershoffen, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:45 and sunset at 20:10. On the last day of September, sunrise is at 07:27 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September in Rittershoffen is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be mindful. Those with pale skin might receive 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rittershoffen, France
- Average high temperature in September: 20.6°C
The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Rittershoffen, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in September
Rittershoffen, France
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Rittershoffen, France
- Average humidity in September: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Rittershoffen, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Rittershoffen, France
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are February and September (9.9 days).
Average snowfall in September
Rittershoffen, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (50mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Rittershoffen, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Rittershoffen, 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 48min).
Average sunshine days in September
Rittershoffen, France
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is December (13.5 days).
Average UV index in September
Rittershoffen, France
- Average UV index in September: 4
The months with the highest UV index are May, 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
Rittershoffen, France
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Rittershoffen, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).





