September weather forecast
Wittenbach, Switzerland

September

Weather in September

September, the first month of the autumn in Wittenbach, is still a refreshing month, with an average temperature ranging between min 8.6°C (47.5°F) and max 18.6°C (65.5°F).

Temperature

With the onset of September, Wittenbach experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 23°C (73.4°F) in August to a refreshing 18.6°C (65.5°F). The average temperature during September nights in Wittenbach is registered at a chilly 8.6°C (47.5°F).

Humidity

The average relative humidity in September is 78%.

Rainfall

In Wittenbach, during September, the rain falls for 14.3 days and regularly aggregates up to 57mm (2.24") of precipitation. In Wittenbach, Switzerland, during the entire year, the rain falls for 177.8 days and collects up to 1006mm (39.61") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Wittenbach is 12h and 34min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:02. On the last day of September, in Wittenbach, Switzerland, sunrise is at 07:20 and sunset at 19:03 CEST.

Sunshine

The average sunshine in September in Wittenbach is 9.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the average September temperature in Wittenbach?
The average high-temperature, in September, in Wittenbach, is 18.6°C (65.5°F), while the average low-temperature is 8.6°C (47.5°F).
What is the average humidity in September in Wittenbach?
In September, the average relative humidity is 78%.
How much does it rain in Wittenbach in September?
In September, in Wittenbach, Switzerland, the rain falls for 14.3 days. Throughout September, 57mm (2.24") of precipitation is accumulated.
When it does not snow in Wittenbach?
June through September are months without snowfall.
Does it snow in Wittenbach in September?
In Wittenbach, Switzerland, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Wittenbach?
In September, the average day length is 12h and 34min.
What time are sunrise and sunset in September in Wittenbach?
In September, on the first day of the month, sunrise is at 06:41 and sunset at 20:02. On the last day of the month, in Wittenbach, sunrise is at 07:20 and sunset at 19:03 CEST.
How many hours of sunshine does Wittenbach have in September?
In Wittenbach, Switzerland, the average sunshine duration in September is 9.2h.
What is the UV index reading in September in Wittenbach?
The average daily maximum UV index in September in Wittenbach, Switzerland, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Wittenbach, Switzerland
Average temperature in September
Wittenbach, Switzerland
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 8.6°C

The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in September - Wittenbach, Switzerland
Average pressure in September
Wittenbach, 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 (1015.7mbar).

Average wind speed in September - Wittenbach, Switzerland
Average wind speed in September
Wittenbach, Switzerland
  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September - Wittenbach, Switzerland
Average humidity in September
Wittenbach, Switzerland
  • Average humidity in September: 78%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).

Average rainfall in September - Wittenbach, Switzerland
Average rainfall in September
Wittenbach, Switzerland
  • Average rainfall in September: 57mm

The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in September - Wittenbach, Switzerland
Average rainfall days in September
Wittenbach, Switzerland
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in September - Wittenbach, Switzerland
Average snowfall in September
Wittenbach, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Wittenbach, Switzerland
Average snowfall days in September
Wittenbach, Switzerland
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Wittenbach, Switzerland
Average daylight in September /
Average sunshine in September
Wittenbach, 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: 9h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in September - Wittenbach, Switzerland
Average sunshine days in September
Wittenbach, Switzerland
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in September - Wittenbach, Switzerland
Average UV index in September
Wittenbach, Switzerland
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Wittenbach, Switzerland
Average cloud cover in September
Wittenbach, Switzerland
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September - Wittenbach, Switzerland
Average visibility in September
Wittenbach, Switzerland
  • Average visibility in September: 8km

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

englishespañol中文
Share