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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 24.3°C (75.7°F) in August to a refreshing 19.9°C (67.8°F). Throughout September, Grussenheim records an average temperature of 9.6°C (49.3°F) at night.Humidity
The average relative humidity in September in Grussenheim is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 20mm (0.79") of precipitation.Snowfall
In Grussenheim, France, snow does not fall in April through September.Daylight
In Grussenheim, France, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:48 and sunset at 20:11. On the last day of September, sunrise is at 07:28 and sunset at 19:11 CEST.
Sunshine
The average sunshine in September in Grussenheim is 9.1h.UV index
In Grussenheim, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Grussenheim?
What is the average humidity in September in Grussenheim?
What is the driest month in Grussenheim?
How many days does it rain in September in Grussenheim?
When it does not snow in Grussenheim?
Does it snow in Grussenheim in September?
What is the average length of the day in September in Grussenheim?
When are sunrise and sunset in September in Grussenheim?
How many hours of sunshine does Grussenheim have in September?
How high is the UV index in September in Grussenheim?
Average temperature in September
Grussenheim, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in September
Grussenheim, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Grussenheim, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Grussenheim, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Grussenheim, France
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Grussenheim, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Grussenheim, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Grussenheim, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 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
Grussenheim, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Grussenheim, France
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Grussenheim, France
- Average UV index in September: 4
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
Grussenheim, France
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Grussenheim, 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).
Grussenheim, France
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