September weather forecast
Köniz, Switzerland

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Weather in September

The arrival of September announces the advent of autumn in Köniz. The city observes a significant drop in temperature as this month diverges significantly from the high temperatures recorded in August. Autumn expresses itself through changing leaf colours and milder temperatures, bringing about a sense of peace and tranquillity. Despite reduced daylight hours, the city emanates a distinct charm, making outdoor activities enjoyable. As October arrives, the city braces for a further dip in temperature and an increase in rainfall.

Temperature

The shift from August to September coincides with a small decrease in the average high-temperature, down to a refreshing 18.3°C (64.9°F) from an agreeable 22.9°C (73.2°F). Nighttime temperatures in Köniz, Switzerland, hover around an average low of 7.5°C (45.5°F) in September.

Humidity

The average relative humidity in September in Köniz is 81%.

Rainfall

The month with the least rainfall in Köniz is September, when the rain falls for 11.5 days and typically collects 23mm (0.91") of precipitation.

Snowfall

In Köniz, Switzerland, snow does not fall in June through September.

Daylight

The average length of the day in September in Köniz is 12h and 33min.
On the first day of September in Köniz, sunrise is at 06:50 and sunset at 20:09. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Köniz, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in September translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What is the average September temperature in Köniz?

In Köniz, in September, the average high-temperature is 18.3°C (64.9°F), and the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in September in Köniz?

The average relative humidity in September in Köniz, Switzerland, is 81%.

What is the driest month in Köniz?

The month with the least rainfall in Köniz, Switzerland, is September, when the rain falls for 11.5 days and typically collects 23mm (0.91") of precipitation.

How much does it rain in Köniz in September?

In Köniz, Switzerland, during September, the rain falls for 11.5 days and regularly aggregates up to 23mm (0.91") of precipitation.

When it does not snow in Köniz?

June through September are months without snowfall in Köniz, Switzerland.

Does it snow in Köniz in September?

In Köniz, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Köniz have in September?

In Köniz, Switzerland, the average day length in September is 12h and 33min.

When is the sunrise / sunset in September in Köniz?

In September, on the first day of the month, sunrise is at 06:50 and sunset at 20:09. On the last day of the month, in Köniz, sunrise is at 07:28 and sunset at 19:11 CEST.

How long on average sun shines in September in Köniz?

In Köniz, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Köniz?

In Köniz, Switzerland, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
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
Köniz, Switzerland

Average temperature in September - Köniz, Switzerland
  • Average high temperature in September: 18.3°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: 7.5°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).

Average pressure in September
Köniz, Switzerland

Average pressure in September - Köniz, Switzerland
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Köniz, Switzerland

Average wind speed in September - Köniz, Switzerland
  • Average wind speed in September: 6.7km/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 (6.2km/h).

Average humidity in September
Köniz, Switzerland

Average humidity in September - Köniz, Switzerland
  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September
Köniz, Switzerland

Average rainfall in September - Köniz, Switzerland
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in September
Köniz, Switzerland

Average rainfall days in September - Köniz, Switzerland
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Köniz, Switzerland

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

The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Köniz, Switzerland

Average snowfall days in September - Köniz, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Köniz, Switzerland

Average daylight in September / Average sunshine in September - Köniz, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

Average sunshine days in September
Köniz, Switzerland

Average sunshine days in September - Köniz, Switzerland
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).

Average UV index in September
Köniz, Switzerland

Average UV index in September - Köniz, 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
Köniz, Switzerland

Average cloud cover in September - Köniz, Switzerland
  • Average cloud cover in September: 35

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
Köniz, Switzerland

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

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

Köniz, Switzerland

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