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
The onset of September brings a small shift in high-temperatures, falling from a warm 23.3°C (73.9°F) in August to a comfortable 18.6°C (65.5°F). Wäldi anticipates an average minimum temperature of 7.9°C (46.2°F) in the month of September.Humidity
In September, the average relative humidity in Wäldi, Switzerland, is 82%.Rainfall
In Wäldi, during September, the rain falls for 13.7 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Wäldi, there are 177.1 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
In Wäldi, snow does not fall in June through September.Daylight
In Wäldi, the average length of the day in September is 12h and 34min.On the first day of September in Wäldi, 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
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are September temperatures in Wäldi?
What is the average humidity in September in Wäldi?
How many days does it rain in September in Wäldi?
When it does not snow in Wäldi?
Does it snow in Wäldi in September?
What is the average length of the day in September in Wäldi?
When are sunrise and sunset in September in Wäldi?
How long on average sun shines in September in Wäldi?
How high is the UV index in September in Wäldi?
Average temperature in September
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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
Wäldi, 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).
Wäldi, Switzerland
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