September weather forecast
Parmain, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Parmain, France, with temperature in the range of an average high of 20.7°C (69.3°F) and an average low of 11.5°C (52.7°F).

Temperature

The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 20.7°C (69.3°F) from a warm 24.3°C (75.7°F). During September, Parmain sees a mean low-temperature of 11.5°C (52.7°F).

Humidity

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

Rainfall

The month with the least rainfall in Parmain is September, when the rain falls for 12.2 days and typically collects 25mm (0.98") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Parmain, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 07:08 and sunset at 20:33. On the last day of September, in Parmain, sunrise is at 07:50 and sunset at 19:31 CEST.

Sunshine

In Parmain, France, the average sunshine in September is 7.5h.

UV index

In Parmain, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What are September temperatures in Parmain?
In Parmain, 20.7°C (69.3°F) is the average high-temperature and 11.5°C (52.7°F) is the average low-temperature during September.
What is the average humidity in September in Parmain?
In Parmain, France, the average relative humidity in September is 73%.
What is the driest month in Parmain?
September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 25mm (0.98") of precipitation.
How much does it rain in Parmain in September?
In September, in Parmain, France, the rain falls for 12.2 days. Throughout September, 25mm (0.98") of precipitation is accumulated.
When it does not snow in Parmain?
In Parmain, France, snow does not fall in April through October.
How many hours of daylight does Parmain have in September?
The average day length in September in Parmain is 12h and 35min.
When is the sunrise / sunset in September in Parmain?
In September, on the first day of the month, sunrise is at 07:08 and sunset at 20:33. On the last day of the month, in Parmain, sunrise is at 07:50 and sunset at 19:31 CEST.
How many hours of sunshine does Parmain have in September?
In September, the average sunshine duration in Parmain, France, is 7.5h.
How high is the UV index in September in Parmain?
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Parmain, France
Average temperature in September
Parmain, France
  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).

Average pressure in September - Parmain, France
Average pressure in September
Parmain, France
  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).

Average wind speed in September - Parmain, France
Average wind speed in September
Parmain, France
  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in September - Parmain, France
Average humidity in September
Parmain, France
  • Average humidity in September: 73%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September - Parmain, France
Average rainfall in September
Parmain, France
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in September - Parmain, France
Average rainfall days in September
Parmain, France
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (12.2 days).

Average snowfall in September - Parmain, France
Average snowfall in September
Parmain, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Parmain, France
Average snowfall days in September
Parmain, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.1 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 - Parmain, France
Average daylight in September /
Average sunshine in September
Parmain, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 3min

The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September - Parmain, France
Average sunshine days in September
Parmain, France
  • Average sunshine days in September: 15 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (8 days).

Average UV index in September - Parmain, France
Average UV index in September
Parmain, 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 - Parmain, France
Average cloud cover in September
Parmain, France
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).

Average visibility in September - Parmain, France
Average visibility in September
Parmain, 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).

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