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
A mild drop in Gwatt's average high-temperature is observed in September, transitioning from a comfortable 19.9°C (67.8°F) in August to a mild 15.6°C (60.1°F). During the month of September, an average low-temperature of 5.5°C (41.9°F) is recorded.Humidity
In September, the average relative humidity is 82%.Rainfall
September is the month with the least rainfall in Gwatt. Rain falls for 15.9 days and accumulates 53mm (2.09") of precipitation.Snowfall
In Gwatt, Switzerland, snow does not fall in June through September.Daylight
In Gwatt, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:49 and sunset at 20:08. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Gwatt is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the temperature in September in Gwatt?
What is the average humidity in September in Gwatt?
What is the driest month in Gwatt?
How much does it rain in Gwatt in September?
When it does not snow in Gwatt?
Does it snow in Gwatt in September?
What is the average length of the day in September in Gwatt?
When is the sunrise / sunset in September in Gwatt?
How many hours of sunshine does Gwatt have in September?
What is the UV index intensity in September in Gwatt?
Average temperature in September
Gwatt, Switzerland
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).
Average pressure in September
Gwatt, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Gwatt, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Gwatt, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Gwatt, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in September
Gwatt, Switzerland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Gwatt, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gwatt, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gwatt, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Gwatt, Switzerland
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Gwatt, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Gwatt, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in September
Gwatt, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).
Gwatt, Switzerland
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