September weather forecastDiant, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Diant, France, with an average temperature fluctuating between 11.7°C (53.1°F) and 20.9°C (69.6°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 24.8°C (76.6°F) to an agreeable 20.9°C (69.6°F). In Diant, the average temperature during the nights of September drops to a cool 11.7°C (53.1°F).

Humidity

In September, the average relative humidity in Diant is 73%.

Rainfall

September is the month with the least rainfall in Diant. Rain falls for 11.7 days and accumulates 26mm (1.02") of precipitation.

Snowfall

In Diant, snow does not fall in April through October.

Daylight

The average length of the day in September in Diant is 12h and 35min.
On the first day of the month, sunrise is at 07:06 and sunset at 20:29. On the last day of September, in Diant, sunrise is at 07:46 and sunset at 19:29 CEST.

Sunshine

In September, the average sunshine in Diant is 7.8h.

UV index

In September, the average daily maximum UV index in Diant is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

In September, in Diant, the average high-temperature is 20.9°C (69.6°F), and the average low-temperature is 11.7°C (53.1°F).

In September, the average relative humidity is 73%.

September is the month with the least rainfall in Diant, France. Rain falls for 11.7 days and accumulates 26mm (1.02") of precipitation.

In Diant, France, in September, during 11.7 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

In Diant, snow does not fall in April through October.

In Diant, the average day length in September is 12h and 35min.

On the first day of September in Diant, France, sunrise is at 07:06 and sunset at 20:29. On the last day of the month, sunrise is at 07:46 and sunset at 19:29 CEST.

In Diant, the average sunshine duration in September is 7.8h.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Diant, France

  • Average high temperature in September: 20.9°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 (5.8°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).

Average pressure in September
Diant, France

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in September
Diant, France

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in September
Diant, France

  • Average humidity in September: 73%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Diant, France

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Diant, France

  • Average rainfall days in September: 11.7 days

The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in September
Diant, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Diant, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.7 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
Diant, France

  • Average daylight in September: 12h and 36min

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: 7h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Diant, France

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in September
Diant, 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
Diant, France

  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).

Average visibility in September
Diant, France

  • Average visibility in September: 9km

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