September weather forecast
Cham, Switzerland

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Cham, Switzerland, with an average temperature varying between 17.5°C (63.5°F) and 7.5°C (45.5°F).

Temperature

A mild drop in Cham's average high-temperature is observed in September, transitioning from a pleasant 22.1°C (71.8°F) in August to a refreshing 17.5°C (63.5°F). Throughout September, an average nighttime temperature of 7.5°C (45.5°F) is experienced.

Humidity

In Cham, the average relative humidity in September is 80%.

Rainfall

The month with the least rainfall in Cham, Switzerland, is September, when the rain falls for 14.3 days and typically collects 52mm (2.05") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Cham, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 06:46 and sunset at 20:06. On the last day of the month, sunrise is at 07:24 and sunset at 19:07 CEST.

Sunshine

In Cham, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 4 during September leads to these advisories:
Act with care - The need to guard against sun damage is communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What are the temperatures in Cham in September?
In Cham, 17.5°C (63.5°F) is the average high-temperature and 7.5°C (45.5°F) is the average low-temperature during September.
What is the average humidity in September in Cham?
The average relative humidity in September in Cham is 80%.
What is the driest month in Cham?
September is the month with the least rainfall in Cham. Rain falls for 14.3 days and accumulates 52mm (2.05") of precipitation.
How much does it rain in Cham in September?
In Cham, during September, the rain falls for 14.3 days and regularly aggregates up to 52mm (2.05") of precipitation.
When it does not snow in Cham?
In Cham, snow does not fall in June through September.
Does it snow in Cham in September?
In Cham, Switzerland, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Cham?
In Cham, Switzerland, the average day length in September is 12h and 34min.
When are sunrise and sunset in September in Cham?
In September, on the first day of the month, sunrise is at 06:46 and sunset at 20:06. On the last day of the month, sunrise is at 07:24 and sunset at 19:07 CEST.
How many hours of sunshine does Cham have in September?
In September, the average sunshine duration in Cham is 8.9h.
What is the UV index reading in September in Cham?
In Cham, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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 - Cham, Switzerland
Average temperature in September
Cham, Switzerland
  • Average high temperature in September: 17.5°C

The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).

Average pressure in September - Cham, Switzerland
Average pressure in September
Cham, Switzerland
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September - Cham, Switzerland
Average wind speed in September
Cham, Switzerland
  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September - Cham, Switzerland
Average humidity in September
Cham, Switzerland
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in September - Cham, Switzerland
Average rainfall in September
Cham, Switzerland
  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is September (52mm).

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

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is October (11.2 days).

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

The month with the highest snowfall is February (169mm).
The months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Cham, Switzerland
Average daylight in September /
Average sunshine in September
Cham, 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 36min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September - Cham, Switzerland
Average sunshine days in September
Cham, Switzerland
  • Average sunshine days in September: 13 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in September - Cham, Switzerland
Average UV index in September
Cham, 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, March, November and December (UV index 2).

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

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 33).

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).

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