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
September
Weather in September
Temperature
As Brunnadern enters September, the average high-temperature subtly lowers from the an agreeable 21.6°C (70.9°F) of August to an enjoyable 16.9°C (62.4°F). Brunnadern's nighttime temperature in September drops to an average of 7°C (44.6°F).Humidity
In Brunnadern, the average relative humidity in September is 81%.Rainfall
In Brunnadern, in September, it is raining for 11.6 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 129.6 rainfall days, and 714mm (28.11") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:43 and sunset at 20:03. On the last day of September, in Brunnadern, sunrise is at 07:21 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine in Brunnadern is 8.9h.UV index
In Brunnadern, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Brunnadern in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Brunnadern have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Brunnadern have in September?
What is the UV index reading in September?
Average temperature in September
Brunnadern, Switzerland
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 7°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in September
Brunnadern, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Brunnadern, Switzerland
- Average wind speed in September: 6.2km/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 (6.1km/h).
Average humidity in September
Brunnadern, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in September
Brunnadern, Switzerland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in September
Brunnadern, Switzerland
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Brunnadern, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Brunnadern, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brunnadern, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Brunnadern, Switzerland
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Brunnadern, 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 November and December (UV index 1).
Average cloud cover in September
Brunnadern, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Brunnadern, Switzerland
- Average visibility in September: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
