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
September indicates a minor shift in the average high-temperature, from August's pleasant 21.8°C (71.2°F) to an enjoyable 17.5°C (63.5°F). Longirod's nights in September cool down to an average low-temperature of 8.2°C (46.8°F).Humidity
In Longirod, the average relative humidity in September is 84%.Rainfall
September is the month with the least rainfall in Longirod. Rain falls for 16.2 days and accumulates 84mm (3.31") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Longirod. Throughout September, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. In Longirod, during the entire year, snow falls for 91.9 days and aggregates up to 3413mm (134.37") of snow.Daylight
The average length of the day in September in Longirod is 12h and 33min.On the first day of the month, sunrise is at 06:55 and sunset at 20:13. On the last day of September, sunrise is at 07:32 and sunset at 19:16 CEST.
Sunshine
In Longirod, Switzerland, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Longirod, Switzerland, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Longirod in September?
What is the average humidity in September in Longirod?
What is the driest month in Longirod?
How many days does it rain in September in Longirod?
When does it start snowing in Longirod?
How many hours of daylight does Longirod have in September?
What time are sunrise and sunset in September in Longirod?
How many hours of sunshine does Longirod have in September?
How high is the UV index in September in Longirod?
Average temperature in September
Longirod, Switzerland
- Average high temperature in September: 17.5°C
The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.2°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 (-3.7°C).
Average pressure in September
Longirod, 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
Longirod, Switzerland
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Longirod, Switzerland
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Longirod, Switzerland
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is December (173mm).
The driest month (with the least rainfall) is September (84mm).
Average rainfall days in September
Longirod, Switzerland
- Average rainfall days in September: 16.2 days
The months with the highest number of rainy days are May and June (22.8 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Longirod, Switzerland
- Average snowfall in September: 1mm
The month with the highest snowfall is December (833mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Longirod, Switzerland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Longirod, 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Longirod, Switzerland
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in September
Longirod, Switzerland
- Average UV index in September: 3
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, October, November and December (UV index 2).
Average cloud cover in September
Longirod, Switzerland
- Average cloud cover in September: 42
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Longirod, 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).
Longirod, Switzerland
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