September weather forecastBern, Netherlands
September
Weather in September
September, the first month of the autumn in Bern, is still a refreshing month, with an average temperature varying between 18.9°C (66°F) and 11.1°C (52°F).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 22.4°C (72.3°F) in August to an enjoyable 18.9°C (66°F). In Bern, an average temperature of 11.1°C (52°F) is noted during September nights.Humidity
The average relative humidity in September is 81%.Rainfall
In Bern, in September, during 6.9 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in Bern, there are 91.9 rainfall days, and 110mm (4.33") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Bern.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:52 and sunset at 20:25. On the last day of September, in Bern, sunrise is at 07:39 and sunset at 19:18 CEST.
Sunshine
In Bern, the average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September in Bern is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bern, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Bern, Netherlands
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Bern, Netherlands
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Bern, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Bern, Netherlands
- Average rainfall in September: 6mm
The wettest months (with the highest rainfall) are June and August (12mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in September
Bern, Netherlands
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is December (9.5 days).
The month with the least rainy days is April (6.1 days).
Average snowfall in September
Bern, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bern, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bern, Netherlands
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Bern, Netherlands
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is April (22.7 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in September
Bern, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bern, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Bern, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
