September weather forecastPraroman, Switzerland
September
Weather in September
September, the first month of the autumn in Praroman, is still a comfortable month, with an average temperature ranging between max 17.6°C (63.7°F) and min 7.4°C (45.3°F).Temperature
Praroman experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a pleasant 21.9°C (71.4°F) in August to an enjoyable 17.6°C (63.7°F). An average minimum temperature of 7.4°C (45.3°F) marks the month of September in Praroman.Humidity
In September, the average relative humidity in Praroman, Switzerland, is 82%.Rainfall
September is the month with the least rainfall in Praroman. Rain falls for 16.5 days and accumulates 53mm (2.09") of precipitation.Snowfall
June through September are months without snowfall in Praroman, Switzerland.Daylight
In Praroman, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:51 and sunset at 20:10. On the last day of the month, sunrise is at 07:29 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Praroman, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Praroman, Switzerland
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).
Average pressure in September
Praroman, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Praroman, Switzerland
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in September
Praroman, Switzerland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in September
Praroman, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in September
Praroman, Switzerland
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in September
Praroman, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Praroman, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Praroman, Switzerland
- Average daylight in September: 12h and 36min
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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Praroman, Switzerland
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).
Average UV index in September
Praroman, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Praroman, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Praroman, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).





