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
Upon the onset of September, Saint-Sébastien-de-Raids witnesses an average high-temperature of an enjoyable 18.9°C (66°F), showing a close resemblance to the prior month. The mean low-temperature during September nights is a fresh 11.4°C (52.5°F).Humidity
July through September, with an average relative humidity of 81%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 25mm (0.98") of precipitation.Snowfall
In Saint-Sébastien-de-Raids, snow does not fall in May through October.Daylight
The average length of the day in September in Saint-Sébastien-de-Raids is 12h and 35min.On the first day of September, sunrise is at 07:22 and sunset at 20:48. On the last day of the month, sunrise is at 08:04 and sunset at 19:46 CEST.
Sunshine
In Saint-Sébastien-de-Raids, the average sunshine in September is 7.2h.UV index
In Saint-Sébastien-de-Raids, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Saint-Sébastien-de-Raids in September?
What is the least humid month in Saint-Sébastien-de-Raids?
What is the average humidity in September in Saint-Sébastien-de-Raids?
What is the driest month in Saint-Sébastien-de-Raids?
How much does it rain in Saint-Sébastien-de-Raids in September?
When it does not snow in Saint-Sébastien-de-Raids?
What is the average length of the day in September in Saint-Sébastien-de-Raids?
When is the sunrise / sunset in September in Saint-Sébastien-de-Raids?
How many hours of sunshine does Saint-Sébastien-de-Raids have in September?
How high is the UV index in September in Saint-Sébastien-de-Raids?
Average temperature in September
Saint-Sébastien-de-Raids, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Saint-Sébastien-de-Raids, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Saint-Sébastien-de-Raids, France
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Saint-Sébastien-de-Raids, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in September
Saint-Sébastien-de-Raids, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Saint-Sébastien-de-Raids, France
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in September
Saint-Sébastien-de-Raids, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Sébastien-de-Raids, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Saint-Sébastien-de-Raids, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Saint-Sébastien-de-Raids, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Saint-Sébastien-de-Raids, 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, November and December (UV index 2).
Average cloud cover in September
Saint-Sébastien-de-Raids, France
- Average cloud cover in September: 42
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in September
Saint-Sébastien-de-Raids, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
