Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Gruyères, the average high-temperature in September gently drops from an agreeable 20.1°C (68.2°F) in August to a comfortable 16°C (60.8°F). Throughout September, Gruyères witnesses a nighttime temperature average of 5.8°C (42.4°F).Humidity
In Gruyères, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Gruyères is September, when the rain falls for 7.2 days and typically collects 10mm (0.39") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Gruyères, Switzerland, is 12h and 33min.On the first day of September, sunrise is at 06:52 and sunset at 20:10. On the last day of the month, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Gruyères is 8.6h.UV index
In Gruyères, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the usual temperature for Gruyères in September?
What is the average humidity in September in Gruyères?
What is the driest month in Gruyères?
How much does it rain in Gruyères in September?
When it does not snow in Gruyères?
Does it snow in Gruyères in September?
What is the average length of the day in September in Gruyères?
What time are sunrise and sunset in September in Gruyères?
How long on average sun shines in September in Gruyères?
What is the UV index intensity in September in Gruyères?
Average temperature in September
Gruyères, Switzerland
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in September
Gruyères, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Gruyères, Switzerland
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Gruyères, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in September
Gruyères, Switzerland
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Gruyères, Switzerland
- Average rainfall days in September: 7.2 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Gruyères, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gruyères, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gruyères, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Gruyères, Switzerland
- Average sunshine days in September: 21 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in September
Gruyères, Switzerland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Gruyères, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gruyères, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Gruyères, Switzerland
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