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
With the commencement of September, Rouvroy-sur-Serre records a moderate temperature decline, with the average high easing from August's agreeable 22.3°C (72.1°F) to an enjoyable 18.5°C (65.3°F). In Rouvroy-sur-Serre, the average temperature during the nights of September drops to a chilly 9.5°C (49.1°F).Humidity
The average relative humidity in September in Rouvroy-sur-Serre is 81%.Rainfall
In Rouvroy-sur-Serre, in September, it is raining for 12.8 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Rouvroy-sur-Serre, France, there are 190 rainfall days, and 635mm (25") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Rouvroy-sur-Serre.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September in Rouvroy-sur-Serre, sunrise is at 06:59 and sunset at 20:26. On the last day of the month, sunrise is at 07:42 and sunset at 19:23 CEST.
Sunshine
In September, the average sunshine in Rouvroy-sur-Serre is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time 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 Rouvroy-sur-Serre in September?
What is the average humidity in September in Rouvroy-sur-Serre?
How many days does it rain in September in Rouvroy-sur-Serre?
When it does not snow in Rouvroy-sur-Serre?
Does it snow in Rouvroy-sur-Serre in September?
What is the average length of the day in September in Rouvroy-sur-Serre?
What time are sunrise and sunset in September in Rouvroy-sur-Serre?
How long on average sun shines in September in Rouvroy-sur-Serre?
What is the UV index intensity in September in Rouvroy-sur-Serre?
Average temperature in September
Rouvroy-sur-Serre, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Rouvroy-sur-Serre, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Rouvroy-sur-Serre, France
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Rouvroy-sur-Serre, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Rouvroy-sur-Serre, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Rouvroy-sur-Serre, France
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in September
Rouvroy-sur-Serre, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Rouvroy-sur-Serre, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.7 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
Rouvroy-sur-Serre, 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 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Rouvroy-sur-Serre, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Rouvroy-sur-Serre, France
- Average UV index in September: 4
The months with the highest UV index are June and 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
Rouvroy-sur-Serre, France
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Rouvroy-sur-Serre, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
Rouvroy-sur-Serre, France
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