September weather forecastLe Brassus, Switzerland
September weather forecast for Le Brassus, Switzerland: September, the first month of the autumn in Le Brassus, is still a refreshing month, with an average temperature varying between 8.1°C (46.6°F) and 16.9°C (62.4°F). On the first day of September in Le Brassus, sunrise is at 06:55 and sunset at 20:14.
September
Weather in September
September, the first month of the autumn in Le Brassus, is still a refreshing month, with an average temperature varying between 8.1°C (46.6°F) and 16.9°C (62.4°F).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from an agreeable 21°C (69.8°F) in August to an enjoyable 16.9°C (62.4°F). September nights experience a consistent temperature drop to a chilly 8.1°C (46.6°F).Humidity
In Le Brassus, the average relative humidity in September is 85%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 82mm (3.23") of precipitation is accumulated. Throughout the year, there are 174.4 rainfall days, and 1495mm (58.86") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Le Brassus is 12h and 33min.On the first day of September in Le Brassus, sunrise is at 06:55 and sunset at 20:14. On the last day of the month, sunrise is at 07:33 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Brassus, Switzerland
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in September
Le Brassus, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Le Brassus, Switzerland
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Le Brassus, Switzerland
- Average humidity in September: 85%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, July and August (83%).
Average rainfall in September
Le Brassus, Switzerland
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is June (172mm).
The driest month (with the least rainfall) is October (79mm).
Average rainfall days in September
Le Brassus, Switzerland
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Le Brassus, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (705mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Le Brassus, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Le Brassus, 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 36min).
- Average sunshine in September: 7h and 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Le Brassus, Switzerland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Le Brassus, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Le Brassus, Switzerland
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Le Brassus, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are April, June, July and August (8km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (7km).
