September weather forecastRougemont, Switzerland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Rougemont, Switzerland, with temperature in the range of an average low of 5.2°C (41.4°F) and an average high of 15.1°C (59.2°F).Temperature
September marks a gentle change in average high-temperature, declining from August's enjoyable 19.3°C (66.7°F) to a still refreshing 15.1°C (59.2°F). An average nighttime temperature of 5.2°C (41.4°F) is observed during September.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 6.9 days and accumulates 13mm (0.51") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Rougemont, the average length of the day in September is 12h and 33min.On the first day of September in Rougemont, 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
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rougemont, Switzerland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (-0.3°C).
- Average low temperature in September: 5.2°C
The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in September
Rougemont, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Rougemont, Switzerland
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Rougemont, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are February and March (89%).
The months with the lowest relative humidity are July, August and October (79%).
Average rainfall in September
Rougemont, Switzerland
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Rougemont, Switzerland
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Rougemont, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rougemont, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rougemont, Switzerland
- Average daylight in September: 12h and 30min
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 42min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Rougemont, Switzerland
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in September
Rougemont, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Rougemont, Switzerland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in September
Rougemont, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are April, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May and September (7km).
