September weather forecast
Wileroltigen, Switzerland

Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Contents

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Wileroltigen, Switzerland, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 7.4°C (45.3°F).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a pleasant 21.9°C (71.4°F) in August to a comfortable 17.6°C (63.7°F). Throughout September, the temperature tends to fall to a consistent average low of 7.4°C (45.3°F).

Humidity

In Wileroltigen, the average relative humidity in September is 82%.

Rainfall

September is the month with the least rainfall in Wileroltigen. Rain falls for 16.5 days and accumulates 53mm (2.09") of precipitation.

Snowfall

In Wileroltigen, snow does not fall in June through September.

Daylight

In September, the average length of the day in Wileroltigen is 12h and 34min.
On the first day of September, 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 in Wileroltigen is 8.7h.

UV index

The average daily maximum UV index in September in Wileroltigen 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: A daily high UV index of 3 in September leads to these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Wileroltigen in September?
In Wileroltigen, 17.6°C (63.7°F) is the average high-temperature and 7.4°C (45.3°F) is the average low-temperature during September.
What is the average humidity in September in Wileroltigen?
In September, the average relative humidity is 82%.
What is the driest month in Wileroltigen?
The month with the least rainfall in Wileroltigen is September, when the rain falls for 16.5 days and typically collects 53mm (2.09") of precipitation.
How many days does it rain in September in Wileroltigen?
In Wileroltigen, during September, the rain falls for 16.5 days and regularly aggregates up to 53mm (2.09") of precipitation.
When it does not snow in Wileroltigen?
June through September are months without snowfall.
Does it snow in Wileroltigen in September?
In Wileroltigen, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Wileroltigen?
The average day length in September in Wileroltigen, Switzerland, is 12h and 34min.
When are sunrise and sunset in September in Wileroltigen?
On the first day of September in Wileroltigen, Switzerland, 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.
How long on average sun shines in September in Wileroltigen?
The average sunshine duration in September in Wileroltigen is 8.7h.
What is the UV index reading in September in Wileroltigen?
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
21.9°C
17.6°C
13.3°C
Average low temperature
10.7°C
7.4°C
3.9°C
Average pressure
1017.8mbar
1018.6mbar
1018.5mbar
Average wind speed
6.3km/h
7.2km/h
7.3km/h
Average max. wind speed
7km/h
7.6km/h
8km/h
Average wind speed gusts
10km/h
11.6km/h
12.2km/h
Average humidity
79%
82%
81%
Average rainfall
104mm
53mm
65mm
Average rainfall days
20.8
16.5
13.4
Average snowfall
0mm
0mm
12mm
Average snowfall days
0
0
0.8
Average daylight
14h 1min
12h 4min
10h 5min
Average sunshine
10h 2min
8h 4min
6h 4min
Average sunshine days
7.1
10.3
14.6
Average UV index
4
3
3
Average cloud cover
32%
36%
36%
Average visibility
9km
8km
8km
Average temperature in September
Wileroltigen, Switzerland
  • Average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).

Average pressure in September
Wileroltigen, Switzerland
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Wileroltigen, Switzerland
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).

Average humidity in September
Wileroltigen, Switzerland
  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).

Average rainfall in September
Wileroltigen, Switzerland
  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in September
Wileroltigen, Switzerland
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).

Average snowfall in September
Wileroltigen, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Wileroltigen, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Wileroltigen, 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 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Wileroltigen, Switzerland
  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).

Average UV index in September
Wileroltigen, 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 January, February, March, November and December (UV index 2).

Average cloud cover in September
Wileroltigen, Switzerland
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Wileroltigen, Switzerland
  • Average visibility in September: 8km

The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).

°Celsius°Fahrenheit
englishespañol中文
Share