September weather forecastDouai, France

September

Weather in September

September, the first month of the autumn in Douai, is still a refreshing month, with an average temperature ranging between min 11.4°C (52.5°F) and max 19.8°C (67.6°F).

Temperature

In Douai, the average high-temperature in September gently drops from a moderately hot 23.3°C (73.9°F) in August to a comfortable 19.8°C (67.6°F). In the month of September, the temperature generally rests at an average low of 11.4°C (52.5°F).

Humidity

In September, the average relative humidity in Douai is 77%.

Rainfall

The month with the least rainfall in Douai is September, when the rain falls for 7 days and typically collects 5mm (0.2") of precipitation.

Snowfall

March through November are months without snowfall in Douai.

Daylight

In September, the average length of the day in Douai is 12h and 37min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:32. On the last day of September, sunrise is at 07:47 and sunset at 19:27 CEST.

Sunshine

In Douai, the average sunshine in September is 7.3h.

UV index

In Douai, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

In Douai, 19.8°C (67.6°F) is the average high-temperature and 11.4°C (52.5°F) is the average low-temperature during September.

In Douai, the average relative humidity in September is 77%.

September is the month with the least rainfall. Rain falls for 7 days and accumulates 5mm (0.2") of precipitation.

In September, in Douai, the rain falls for 7 days. Throughout September, 5mm (0.2") of precipitation is accumulated.

March through November are months without snowfall in Douai, France.

In September, the average day length is 12h and 37min.

In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:32. On the last day of the month, sunrise is at 07:47 and sunset at 19:27 CEST.

The average sunshine duration in September in Douai, France, is 7.3h.

In September, the average daily maximum UV index in Douai is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Douai, France

  • Average high temperature in September: 19.8°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in September
Douai, France

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Douai, France

  • Average wind speed in September: 12.4km/h

The windiest months (with the highest average wind speed) are February and December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in September
Douai, France

  • Average humidity in September: 77%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Douai, France

  • Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (5mm).

Average rainfall days in September
Douai, France

  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is June (11.1 days).
The month with the least rainy days is September (7 days).

Average snowfall in September
Douai, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Douai, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 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
Douai, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Douai, France

  • Average sunshine days in September: 19.7 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (14.1 days).

Average UV index in September
Douai, 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
Douai, France

  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).

Average visibility in September
Douai, France

  • Average visibility in September: 9km

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