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
September
Weather in September
Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a pleasant 21.8°C (71.2°F) in August to an enjoyable 17.5°C (63.5°F). Selonnet experiences a steady low-temperature of 6.5°C (43.7°F) throughout September.Humidity
The average relative humidity in September is 71%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Selonnet, during the entire year, the rain falls for 133.1 days and collects up to 727mm (28.62") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Selonnet. Throughout September, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, there are 81.9 snowfall days, and 2602mm (102.44") of snow is accumulated.Daylight
The average length of the day in September in Selonnet, France, is 12h and 31min.On the first day of September, sunrise is at 06:58 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine is 9.5h.UV index
In Selonnet, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Selonnet?
What is the average humidity in September in Selonnet?
How many days does it rain in September in Selonnet?
When does it start to snow in Selonnet?
How many hours of daylight does Selonnet have in September?
What time are sunrise and sunset in September in Selonnet?
How many hours of sunshine does Selonnet have in September?
How high is the UV index in September in Selonnet?
Average temperature in September
Selonnet, France
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is August (9.5°C).
The coldest months (with the lowest average low temperature) are January and February (-7.1°C).
Average pressure in September
Selonnet, France
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).
Average wind speed in September
Selonnet, France
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (8.4km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in September
Selonnet, France
- Average humidity in September: 71%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Selonnet, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (96mm).
The driest month (with the least rainfall) is August (36mm).
Average rainfall days in September
Selonnet, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Selonnet, France
- Average snowfall in September: 3mm
The month with the highest snowfall is December (542mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Selonnet, France
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Selonnet, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Selonnet, France
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Selonnet, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Selonnet, France
- Average cloud cover in September: 23
The month with the most cloud cover is April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Selonnet, France
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
