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
September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 25.1°C (77.2°F) in August to a pleasant 20.3°C (68.5°F). In the month of September, an average of 10.4°C (50.7°F) marks the low-temperature.Humidity
In Rohrwiller, the average relative humidity in September is 76%.Rainfall
In Rohrwiller, during September, the rain falls for 11 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Rohrwiller, there are 164 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
In Rohrwiller, France, snow does not fall in April through September.Daylight
The average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:46 and sunset at 20:10. On the last day of the month, sunrise is at 07:27 and sunset at 19:09 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rohrwiller?
What is the average humidity in September in Rohrwiller?
How much does it rain in Rohrwiller in September?
When it does not snow in Rohrwiller?
Does it snow in Rohrwiller in September?
What is the average length of the day in September in Rohrwiller?
What time are sunrise and sunset in September in Rohrwiller?
How long on average sun shines in September in Rohrwiller?
What is the UV index intensity in September in Rohrwiller?
Average temperature in September
Rohrwiller, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (25.1°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 (13.8°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in September
Rohrwiller, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Rohrwiller, France
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Rohrwiller, 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
Rohrwiller, France
- Average rainfall in September: 26mm
The wettest months (with the highest rainfall) are May and December (54mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Rohrwiller, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.3 days).
Average snowfall in September
Rohrwiller, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Rohrwiller, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rohrwiller, France
- Average daylight in September: 12h and 4min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Rohrwiller, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Rohrwiller, 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
Rohrwiller, France
- Average cloud cover in September: 34
The months with the most cloud cover are January and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Rohrwiller, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
