Weather in Grande-Synthe in September

day

evening

Average September daytime temperature in Grande-Synthe is +66°F, night +63°F. This data was obtained from our Grande-Synthe weather archive.

Cloudy: clear - 13 days Overcast - 17 days
Wind: average wind speed is 13.4 mph
Pressure: 30 inHg
Precipitation: rain / snow / hail - 2 days

Weather in Grande-Synthe Week 14 days Month

Weather archive by month and season

Average weather in Grande-Synthe in September by year

Average day and night temperature in Grande-Synthe in September data for the period from 2004 to 2012 years. Number of cloudy and clear days, atmospheric pressure and wind speed.

2012
2011
2010
2009
2006
2005

2012-2004

Temperature °F

Weather characteristics

Pressure
inHg

Wind
speed mph

Day

+64

Clear - 9 days
Overcast - 21 days

29.9

13.4

Evening

+59

Clear - 10 days
Overcast - 20 days

29.9

11.2

Day

+68

Clear - 7 days
Overcast - 12 days

29.9

13.4

Evening

+64

Clear - 10 days
Overcast - 9 days

29.9

11.2

Day

+63

Clear - 12 days
Overcast - 15 days

29.9

13.4

Evening

+59

Clear - 16 days
Overcast - 11 days

29.9

11.2

Day

+66

Clear - 9 days
Overcast - 21 days

30.1

15.7

Evening

+63

Clear - 8 days
Overcast - 22 days

30.1

15.7

Day

+70

Clear - 7 days
Overcast - 23 days

29.8

13.4

Evening

+64

Clear - 5 days
Overcast - 25 days

29.8

11.2

Day

+66

Clear - 3 days
Overcast - 26 days

11.2

Evening

+63

Clear - 2 days
Overcast - 27 days

11.2

Weather archive in Grande-Synthe in September

Graph shows the average in September temperature in Grande-Synthe in the evening and daytime. The maximum average daily temperature according to our archive was +70°F and the minimum dropped to a +63°F

Weather characteristics

Precipitation in September

Graph displays the average number of rainy or snowy days in Grande-Synthe over the years. Total average number of days on our data is 2 days.

Minimum and maximum
world's temperature today

Saqqaq

day: +28°F
night: +10°F

Bhavnagar

day: +117°F
night: +88°F

Grande-Synthe

The hottest months:

August: +68 °F
July: +68 °F
September: +66 °F

The coldest months:

January: +43 °F
February: +43 °F
December: +43 °F

Most precipitations:

November: 4 D
April: 4 D
January: 4 D

Most windy months mph:

January: 15.7 mph
May: 13.4 mph
December: 13.4 mph

Most sunny months days:

March: 17 D
May: 14 D
July: 14 D

Temperature units

°F°C

Icons