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
Hauptwil's September weather features a light decline in high-temperatures, reducing from a warm 23°C (73.4°F) in August to a refreshing 18.6°C (65.5°F). During September, Hauptwil's temperature averages to a frosty 8.6°C (47.5°F) at night.Humidity
In Hauptwil, Switzerland, the average relative humidity in September is 78%.Rainfall
In Hauptwil, in September, during 14.3 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Hauptwil, during the entire year, the rain falls for 177.8 days and collects up to 1006mm (39.61") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:42 and sunset at 20:03. On the last day of September, in Hauptwil, Switzerland, sunrise is at 07:21 and sunset at 19:04 CEST.
Sunshine
The average sunshine in September in Hauptwil is 9.2h.UV index
In Hauptwil, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the temperature in September in Hauptwil?
What is the average humidity in September in Hauptwil?
How many days does it rain in September in Hauptwil?
When it does not snow in Hauptwil?
Does it snow in Hauptwil in September?
How many hours of daylight does Hauptwil have in September?
What time are sunrise and sunset in September in Hauptwil?
How long on average sun shines in September in Hauptwil?
How high is the UV index in September in Hauptwil?
Average temperature in September
Hauptwil, Switzerland
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.6°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Hauptwil, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Hauptwil, Switzerland
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Hauptwil, Switzerland
- Average humidity in September: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Hauptwil, Switzerland
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in September
Hauptwil, Switzerland
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Hauptwil, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hauptwil, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hauptwil, 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: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Hauptwil, Switzerland
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
Hauptwil, Switzerland
- 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
Hauptwil, Switzerland
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hauptwil, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
Hauptwil, Switzerland
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