September weather forecastSurmont, France

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Surmont, France, with an average temperature varying between 8°C (46.4°F) and 17.7°C (63.9°F).

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

The average high-temperature, in September, in Surmont, is 17.7°C (63.9°F), while the average low-temperature is 8°C (46.4°F).

In Surmont, the average relative humidity in September is 85%.

September is the month with the least rainfall. Rain falls for 16 days and accumulates 59mm (2.32") of precipitation.

In Surmont, France, in September, it is raining for 16 days, with typically 59mm (2.32") of accumulated precipitation.

In Surmont, France, snow does not fall in June through September.

In Surmont, France, in September, it doesn't snow. In October, it regularly snows.

In Surmont, France, the average day length in September is 12h and 34min.

On the first day of September, sunrise is at 06:53 and sunset at 20:13. On the last day of the month, sunrise is at 07:31 and sunset at 19:14 CEST.

In September, the average sunshine duration in Surmont, France, is 8h.

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 36min

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).