September weather forecast
Chardonne, Switzerland

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Chardonne, Switzerland, with an average temperature fluctuating between 18.3°C (64.9°F) and 9.2°C (48.6°F).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a refreshing 18.3°C (64.9°F) from August's agreeable 22.1°C (71.8°F). Chardonne, during September, witnesses an average low-temperature of 9.2°C (48.6°F).

Humidity

In September, the average relative humidity in Chardonne is 79%.

Rainfall

September is the month with the least rainfall in Chardonne. Rain falls for 12.5 days and accumulates 38mm (1.5") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 33min.
On the first day of September, sunrise is at 06:53 and sunset at 20:11. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.

Sunshine

In September, the average sunshine is 9.1h.

UV index

In Chardonne, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

What are September temperatures in Chardonne?

In Chardonne, 18.3°C (64.9°F) is the average high-temperature and 9.2°C (48.6°F) is the average low-temperature during September.

What is the average humidity in September in Chardonne?

In September, the average relative humidity is 79%.

What is the driest month in Chardonne?

The month with the least rainfall in Chardonne, Switzerland, is September, when the rain falls for 12.5 days and typically collects 38mm (1.5") of precipitation.

How much does it rain in Chardonne in September?

In Chardonne, in September, it is raining for 12.5 days, with typically 38mm (1.5") of accumulated precipitation.

When it does not snow in Chardonne?

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

Does it snow in Chardonne in September?

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

What is the average length of the day in September in Chardonne?

The average day length in September in Chardonne, Switzerland, is 12h and 33min.

What time are sunrise and sunset in September in Chardonne?

On the first day of September in Chardonne, sunrise is at 06:53 and sunset at 20:11. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.

How many hours of sunshine does Chardonne have in September?

The average sunshine duration in September in Chardonne, Switzerland, is 9.1h.

What is the UV index reading in September in Chardonne?

In Chardonne, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Chardonne, Switzerland

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

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).

Average pressure in September
Chardonne, Switzerland

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

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
Chardonne, Switzerland

Average wind speed in September - Chardonne, Switzerland
  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September
Chardonne, Switzerland

Average humidity in September - Chardonne, Switzerland
  • Average humidity in September: 79%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September
Chardonne, Switzerland

Average rainfall in September - Chardonne, Switzerland
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in September
Chardonne, Switzerland

Average rainfall days in September - Chardonne, Switzerland
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in September
Chardonne, Switzerland

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

The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Chardonne, Switzerland

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

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Chardonne, Switzerland
  • Average daylight in September: 12h and 3min

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 42min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in September
Chardonne, Switzerland

Average sunshine days in September - Chardonne, Switzerland
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).

Average UV index in September
Chardonne, Switzerland

Average UV index in September - Chardonne, 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
Chardonne, Switzerland

Average cloud cover in September - Chardonne, Switzerland
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Chardonne, Switzerland

Average visibility in September - Chardonne, Switzerland
  • Average visibility in September: 9km

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

Chardonne, Switzerland

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