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 sees a slight reduction in average high-temperature, with a shift from a pleasant 21.9°C (71.4°F) in August to a comfortable 17.7°C (63.9°F). Surmont, in September, experiences an average temperature of 8°C (46.4°F) at night.Humidity
In September, the average relative humidity in Surmont is 85%.Rainfall
September is the month with the least rainfall in Surmont. Rain falls for 16 days and accumulates 59mm (2.32") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Surmont, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:53 and sunset at 20:13. On the last day of September, in Surmont, sunrise is at 07:31 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In Surmont, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in September in Surmont?
What is the average humidity in September in Surmont?
What is the driest month in Surmont?
How many days does it rain in September in Surmont?
When it does not snow in Surmont?
Does it snow in Surmont in September?
How many hours of daylight does Surmont have in September?
What time are sunrise and sunset in September in Surmont?
How long on average sun shines in September in Surmont?
How high is the UV index in September in Surmont?
Average temperature in September
Surmont, France
- Average high temperature in September: 17.7°C
The warmest months (with the highest average high temperature) are July and August (21.9°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8°C
The months with the highest average low temperature are July and August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Surmont, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Surmont, France
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Surmont, France
- Average humidity in September: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Surmont, France
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is June (140mm).
The driest month (with the least rainfall) is September (59mm).
Average rainfall days in September
Surmont, France
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Surmont, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (515mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Surmont, France
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and February (16.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Surmont, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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 December (Average sunshine: 4h and 18min).
Average sunshine days in September
Surmont, France
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is October (13 days).
The month with the least sunshine days is June (4.2 days).
Average UV index in September
Surmont, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Surmont, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Surmont, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).
Surmont, France
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