September weather forecastLe Sentier, Switzerland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Le Sentier, Switzerland, with an average temperature varying between 16.9°C (62.4°F) and 8.1°C (46.6°F).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 21°C (69.8°F) in August to an enjoyable 16.9°C (62.4°F). Le Sentier reports an average low-temperature of 8.1°C (46.6°F) during the nights of September.

Humidity

The average relative humidity in September in Le Sentier is 85%.

Rainfall

In Le Sentier, Switzerland, in September, during 15.5 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In Le Sentier, during the entire year, the rain falls for 174.4 days and collects up to 1495mm (58.86") of precipitation.

Snowfall

June through September are months without snowfall in Le Sentier.

Daylight

In September, the average length of the day in Le Sentier is 12h and 33min.
On the first day of the month, sunrise is at 06:55 and sunset at 20:14. On the last day of September, sunrise is at 07:33 and sunset at 19:16 CEST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In September, the average daily maximum UV index in Le Sentier is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

The high-temperature in Le Sentier, Switzerland, during September is 16.9°C (62.4°F) and the low-temperature is 8.1°C (46.6°F).

In Le Sentier, the average relative humidity in September is 85%.

In Le Sentier, in September, it is raining for 15.5 days, with typically 82mm (3.23") of accumulated precipitation.

June through September are months without snowfall in Le Sentier.

In Le Sentier, Switzerland, in September, it doesn't snow. In October, it regularly snows.

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

On the first day of September in Le Sentier, Switzerland, sunrise is at 06:55 and sunset at 20:14. On the last day of the month, sunrise is at 07:33 and sunset at 19:16 CEST.

The average sunshine duration in September in Le Sentier, Switzerland, is 7.2h.

In Le Sentier, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Le Sentier, Switzerland

  • Average high temperature in September: 16.9°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (1.5°C).

  • Average low temperature in September: 8.1°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).

Average pressure in September
Le Sentier, Switzerland

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Le Sentier, Switzerland

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).

Average humidity in September
Le Sentier, Switzerland

  • Average humidity in September: 85%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, July and August (83%).

Average rainfall in September
Le Sentier, Switzerland

  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is June (172mm).
The driest month (with the least rainfall) is October (79mm).

Average rainfall days in September
Le Sentier, Switzerland

  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is February (5 days).

Average snowfall in September
Le Sentier, Switzerland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (705mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Le Sentier, Switzerland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Le Sentier, Switzerland

  • Average daylight in September: 12h and 30min

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: 7h and 12min

The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Le Sentier, Switzerland

  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (5.7 days).

Average UV index in September
Le Sentier, Switzerland

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Le Sentier, Switzerland

  • Average cloud cover in September: 48

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in September
Le Sentier, Switzerland

  • Average visibility in September: 7km

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