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 is characterized by a slight reduction in average high-temperature, easing from a moderately hot 24.8°C (76.6°F) in August to a pleasant 20.7°C (69.3°F). An average nighttime temperature of 11°C (51.8°F) is observed during September.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.9 days and typically collects 25mm (0.98") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Saint-Denis-lès-Sens, the average length of the day in September is 12h and 35min.On the first day of September in Saint-Denis-lès-Sens, sunrise is at 07:05 and sunset at 20:28. On the last day of the month, sunrise is at 07:45 and sunset at 19:27 CEST.
Sunshine
In Saint-Denis-lès-Sens, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in September in Saint-Denis-lès-Sens?
What is the average humidity in September in Saint-Denis-lès-Sens?
What is the driest month in Saint-Denis-lès-Sens?
How many days does it rain in September in Saint-Denis-lès-Sens?
When it does not snow in Saint-Denis-lès-Sens?
How many hours of daylight does Saint-Denis-lès-Sens have in September?
When are sunrise and sunset in September in Saint-Denis-lès-Sens?
How long on average sun shines in September in Saint-Denis-lès-Sens?
How high is the UV index in September in Saint-Denis-lès-Sens?
Average temperature in September
Saint-Denis-lès-Sens, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Saint-Denis-lès-Sens, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Saint-Denis-lès-Sens, France
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Saint-Denis-lès-Sens, France
- Average humidity in September: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Saint-Denis-lès-Sens, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Saint-Denis-lès-Sens, France
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Saint-Denis-lès-Sens, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Denis-lès-Sens, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Saint-Denis-lès-Sens, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Saint-Denis-lès-Sens, France
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Saint-Denis-lès-Sens, France
- Average UV index in September: 4
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
Saint-Denis-lès-Sens, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Saint-Denis-lès-Sens, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September and October (9km).
The months with the lowest visibility are January, May, June, November and December (8km).
Saint-Denis-lès-Sens, France
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