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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 25°C (77°F) to a pleasant 20.5°C (68.9°F). Alièze's temperature lowers to a mean of 10.2°C (50.4°F) during the nights in September.Humidity
In Alièze, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 30mm (1.18") of precipitation.Snowfall
In Alièze, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:58 and sunset at 20:16. On the last day of September, sunrise is at 07:35 and sunset at 19:19 CEST.
Sunshine
In Alièze, the average sunshine in September is 8.5h.UV index
In Alièze, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the usual temperature for Alièze in September?
What is the average humidity in September in Alièze?
What is the driest month in Alièze?
How many days does it rain in September in Alièze?
When it does not snow in Alièze?
Does it snow in Alièze in September?
How many hours of daylight does Alièze have in September?
When is the sunrise / sunset in September in Alièze?
How many hours of sunshine does Alièze have in September?
What is the UV index reading in September in Alièze?
Average temperature in September
Alièze, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Alièze, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Alièze, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in September
Alièze, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Alièze, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Alièze, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Alièze, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Alièze, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alièze, France
- 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Alièze, France
- Average sunshine days in September: 16 days
The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Alièze, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Alièze, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Alièze, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).
Alièze, France
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