September weather forecastCessens, France

September

Weather in September

September, the first month of the autumn in Cessens, is also an enjoyable month, with an average temperature varying between 8.5°C (47.3°F) and 19.9°C (67.8°F).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 24.8°C (76.6°F) in August to a comfortable 19.9°C (67.8°F). Throughout September, Cessens witnesses a nighttime temperature average of 8.5°C (47.3°F).

Humidity

The average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 40mm (1.57") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 06:58 and sunset at 20:14. On the last day of the month, sunrise is at 07:34 and sunset at 19:18 CEST.

Sunshine

In Cessens, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

In Cessens, 19.9°C (67.8°F) is the average high-temperature and 8.5°C (47.3°F) is the average low-temperature during September.

In September, the average relative humidity is 78%.

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 40mm (1.57") of precipitation.

In September, the rain falls for 12.5 days. Throughout September, 40mm (1.57") of precipitation is accumulated.

June through September are months without snowfall.

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

The average day length in September is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:58 and sunset at 20:14. On the last day of the month, sunrise is at 07:34 and sunset at 19:18 CEST.

In Cessens, the average sunshine duration in September is 8.9h.

In Cessens, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cessens, France

  • Average high temperature in September: 19.9°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 (4.3°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).

Average pressure in September
Cessens, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Cessens, France

  • Average wind speed in September: 5.6km/h

The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).

Average humidity in September
Cessens, France

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Cessens, France

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).

Average rainfall days in September
Cessens, France

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).

Average snowfall in September
Cessens, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Cessens, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Cessens, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in September
Cessens, France

  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).

Average UV index in September
Cessens, 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
Cessens, France

  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Cessens, France

  • Average visibility in September: 8km

The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).