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
September witnesses a gentle descent in average high-temperature, descending from August's warm 23.3°C (73.9°F) to an enjoyable 18.6°C (65.5°F). During the month of September, the temperature in Müllheim generally drops to a low average of 7.9°C (46.2°F).Humidity
The average relative humidity in September in Müllheim is 82%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Müllheim, during the entire year, the rain falls for 177.1 days and collects up to 516mm (20.31") of precipitation.Snowfall
In Müllheim, snow does not fall in June through September.Daylight
In Müllheim, Switzerland, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 06:43 and sunset at 20:04. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.
Sunshine
In Müllheim, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Müllheim?
What is the average humidity in September in Müllheim?
How many days does it rain in September in Müllheim?
When it does not snow in Müllheim?
Does it snow in Müllheim in September?
How many hours of daylight does Müllheim have in September?
What time are sunrise and sunset in September in Müllheim?
How long on average sun shines in September in Müllheim?
What is the UV index intensity in September in Müllheim?
Average temperature in September
Müllheim, Switzerland
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Müllheim, Switzerland
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in September
Müllheim, Switzerland
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Müllheim, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Müllheim, Switzerland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in September
Müllheim, Switzerland
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in September
Müllheim, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Müllheim, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Müllheim, Switzerland
- 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Müllheim, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Müllheim, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Müllheim, Switzerland
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Müllheim, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).
Müllheim, Switzerland
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