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's arrival aligns with a minor decrease in average high-temperatures, from August's warm 23.8°C (74.8°F) to an enjoyable 19.5°C (67.1°F). Throughout September, a steady low-temperature average of 9.9°C (49.8°F) is noted.Humidity
The average relative humidity in September in Sainte-Ruffine is 78%.Rainfall
In September, the rain falls for 10.9 days. Throughout September, 39mm (1.54") of precipitation is accumulated. In Sainte-Ruffine, during the entire year, the rain falls for 171.2 days and collects up to 558mm (21.97") of precipitation.Snowfall
In Sainte-Ruffine, snow does not fall in April through September.Daylight
In Sainte-Ruffine, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:52 and sunset at 20:18. On the last day of September, sunrise is at 07:34 and sunset at 19:16 CEST.
Sunshine
In Sainte-Ruffine, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Sainte-Ruffine is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Sainte-Ruffine in September?
What is the average humidity in September in Sainte-Ruffine?
How much does it rain in Sainte-Ruffine in September?
When it does not snow in Sainte-Ruffine?
Does it snow in Sainte-Ruffine in September?
What is the average length of the day in September in Sainte-Ruffine?
When is the sunrise / sunset in September in Sainte-Ruffine?
How long on average sun shines in September in Sainte-Ruffine?
How high is the UV index in September in Sainte-Ruffine?
Average temperature in September
Sainte-Ruffine, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Sainte-Ruffine, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Sainte-Ruffine, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Sainte-Ruffine, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Sainte-Ruffine, France
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Sainte-Ruffine, France
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Sainte-Ruffine, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sainte-Ruffine, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 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
Sainte-Ruffine, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Sainte-Ruffine, France
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Sainte-Ruffine, France
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sainte-Ruffine, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Sainte-Ruffine, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
Sainte-Ruffine, France
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