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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 24.1°C (75.4°F) in August to a refreshing 19.9°C (67.8°F). During the month of September, Dietwiller experiences a steady low-temperature average of 9.6°C (49.3°F).Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Dietwiller. Rain falls for 12.4 days and accumulates 33mm (1.3") of precipitation.Snowfall
In Dietwiller, France, snow does not fall in April through September.Daylight
The average length of the day in September in Dietwiller is 12h and 34min.On the first day of September in Dietwiller, sunrise is at 06:49 and sunset at 20:10. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index in Dietwiller, France, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dietwiller?
What is the average humidity in September in Dietwiller?
What is the driest month in Dietwiller?
How many days does it rain in September in Dietwiller?
When it does not snow in Dietwiller?
Does it snow in Dietwiller in September?
How many hours of daylight does Dietwiller have in September?
When are sunrise and sunset in September in Dietwiller?
How long on average sun shines in September in Dietwiller?
How high is the UV index in September in Dietwiller?
Average temperature in September
Dietwiller, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (24.1°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 (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure in September
Dietwiller, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Dietwiller, France
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Dietwiller, France
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in September
Dietwiller, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Dietwiller, France
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is October (12.2 days).
Average snowfall in September
Dietwiller, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Dietwiller, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Dietwiller, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Dietwiller, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Dietwiller, 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
Dietwiller, France
- Average cloud cover in September: 34
The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Dietwiller, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February, September, November and December (8km).
Dietwiller, France
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