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
Mittelwihr in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 24.3°C (75.7°F) in August to a refreshing 19.9°C (67.8°F). Throughout September, the nighttime temperature averages to a chilly 9.6°C (49.3°F).Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.Snowfall
In Mittelwihr, 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 06:49 and sunset at 20:11. On the last day of the month, sunrise is at 07:29 and sunset at 19:11 CEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In Mittelwihr, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Be vigilant - Suggestions to stave off sun damage are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Mittelwihr?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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
Mittelwihr, 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).
