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 heralds a minor drop in average high-temperature, sliding from August's warm 23.6°C (74.5°F) to a refreshing 19°C (66.2°F). The average temperature during September nights dips to a chilly 7.8°C (46°F).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Cran-Gevrier. Rain falls for 14.8 days and accumulates 47mm (1.85") of precipitation.Snowfall
January through May, September through December are months with snowfall in Cran-Gevrier. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Cran-Gevrier, during the entire year, snow falls for 29.1 days and aggregates up to 619mm (24.37") of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:57 and sunset at 20:13. On the last day of September, in Cran-Gevrier, sunrise is at 07:33 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Cran-Gevrier, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the usual temperature for Cran-Gevrier in September?
What is the average humidity in September in Cran-Gevrier?
What is the driest month in Cran-Gevrier?
How much does it rain in Cran-Gevrier in September?
When does it start to snow in Cran-Gevrier?
What is the average length of the day in September in Cran-Gevrier?
What time are sunrise and sunset in September in Cran-Gevrier?
How long on average sun shines in September in Cran-Gevrier?
What is the UV index reading in September in Cran-Gevrier?
Average temperature in September
Cran-Gevrier, France
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in September
Cran-Gevrier, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Cran-Gevrier, France
- Average wind speed in September: 5.9km/h
The windiest months (with the highest average wind speed) are February and March (7.5km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Cran-Gevrier, France
- Average humidity in September: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Cran-Gevrier, France
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is December (119mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in September
Cran-Gevrier, France
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is October (11.6 days).
Average snowfall in September
Cran-Gevrier, France
- Average snowfall in September: 1mm
The month with the highest snowfall is December (171mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Cran-Gevrier, France
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cran-Gevrier, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Cran-Gevrier, France
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in September
Cran-Gevrier, France
- 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
Cran-Gevrier, France
- Average cloud cover in September: 32
The months with the most cloud cover are January and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Cran-Gevrier, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
Cran-Gevrier, France
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