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
In Brunnen, the average high-temperature in September gently drops from an enjoyable 18.8°C (65.8°F) in August to a mild 14.7°C (58.5°F). In the month of September, Brunnen witnesses a consistent average low-temperature of 5.5°C (41.9°F).Humidity
In Brunnen, the average relative humidity in September is 82%.Rainfall
In Brunnen, in September, it is raining for 18.3 days, with typically 72mm (2.83") of accumulated precipitation. In Brunnen, during the entire year, the rain falls for 216.7 days and collects up to 1294mm (50.94") of precipitation.Snowfall
In Brunnen, Switzerland, snow does not fall in June through September.Daylight
In Brunnen, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:45 and sunset at 20:05. On the last day of September, in Brunnen, sunrise is at 07:23 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine in Brunnen, Switzerland, is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the usual temperature for Brunnen in September?
What is the average humidity in September in Brunnen?
How many days does it rain in September in Brunnen?
When it does not snow in Brunnen?
Does it snow in Brunnen in September?
What is the average length of the day in September in Brunnen?
What time are sunrise and sunset in September in Brunnen?
How many hours of sunshine does Brunnen have in September?
What is the UV index intensity in September in Brunnen?
Average temperature in September
Brunnen, Switzerland
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is August (8.8°C).
The coldest month (with the lowest average low temperature) is February (-8°C).
Average pressure in September
Brunnen, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Brunnen, Switzerland
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Brunnen, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Brunnen, Switzerland
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is August (166mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in September
Brunnen, Switzerland
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Brunnen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Brunnen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brunnen, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Brunnen, Switzerland
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in September
Brunnen, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Brunnen, Switzerland
- Average cloud cover in September: 38
The months with the most cloud cover are February, March and May (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in September
Brunnen, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March and September (7km).
Brunnen, Switzerland
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