September weather forecast
Port-le-Grand, France

September

Weather in September

September, the first month of the autumn in Port-le-Grand, is still a comfortable month, with temperature in the range of an average high of 18.8°C (65.8°F) and an average low of 11.6°C (52.9°F).

Temperature

With the onset of September, a modest change to an enjoyable 18.8°C (65.8°F) from August's 21.7°C (71.1°F) is noted in high-temperature. In Port-le-Grand, an average nighttime temperature of 11.6°C (52.9°F) is expected during September.

Humidity

In Port-le-Grand, the average relative humidity in September is 80%.

Rainfall

In Port-le-Grand, in September, it is raining for 13.6 days, with typically 30mm (1.18") of accumulated precipitation. In Port-le-Grand, during the entire year, the rain falls for 190.2 days and collects up to 547mm (21.54") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September in Port-le-Grand is 12h and 37min.
On the first day of September in Port-le-Grand, sunrise is at 07:08 and sunset at 20:37. On the last day of the month, sunrise is at 07:52 and sunset at 19:33 CEST.

Sunshine

In Port-le-Grand, the average sunshine in September is 7.3h.

UV index

In Port-le-Grand, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What are the temperatures in Port-le-Grand in September?
The high-temperature in Port-le-Grand, France, during September is 18.8°C (65.8°F) and the low-temperature is 11.6°C (52.9°F).
What is the average humidity in September in Port-le-Grand?
In Port-le-Grand, the average relative humidity in September is 80%.
How much does it rain in Port-le-Grand in September?
In Port-le-Grand, in September, it is raining for 13.6 days, with typically 30mm (1.18") of accumulated precipitation.
When it does not snow in Port-le-Grand?
In Port-le-Grand, France, snow does not fall in April through October.
How many hours of daylight does Port-le-Grand have in September?
In Port-le-Grand, France, the average day length in September is 12h and 37min.
What time are sunrise and sunset in September in Port-le-Grand?
In September, on the first day of the month, sunrise is at 07:08 and sunset at 20:37. On the last day of the month, sunrise is at 07:52 and sunset at 19:33 CEST.
How many hours of sunshine does Port-le-Grand have in September?
The average sunshine duration in September in Port-le-Grand, France, is 7.3h.
How high is the UV index in September in Port-le-Grand?
The average daily maximum UV index in September in Port-le-Grand, France, 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Port-le-Grand, France
Average temperature in September
Port-le-Grand, France
  • Average high temperature in September: 18.8°C

The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in September: 11.6°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 (1.8°C).

Average pressure in September - Port-le-Grand, France
Average pressure in September
Port-le-Grand, France
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in September - Port-le-Grand, France
Average wind speed in September
Port-le-Grand, France
  • Average wind speed in September: 14km/h

The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).

Average humidity in September - Port-le-Grand, France
Average humidity in September
Port-le-Grand, France
  • Average humidity in September: 80%

The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September - Port-le-Grand, France
Average rainfall in September
Port-le-Grand, France
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in September - Port-le-Grand, France
Average rainfall days in September
Port-le-Grand, France
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is April (13.5 days).

Average snowfall in September - Port-le-Grand, France
Average snowfall in September
Port-le-Grand, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Port-le-Grand, France
Average snowfall days in September
Port-le-Grand, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Port-le-Grand, France
Average daylight in September /
Average sunshine in September
Port-le-Grand, France
  • Average daylight in September: 12h and 4min

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

  • Average sunshine in September: 7h and 2min

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

Average sunshine days in September - Port-le-Grand, France
Average sunshine days in September
Port-le-Grand, France
  • Average sunshine days in September: 13.5 days

The months with the most sunshine days are March and April (13.7 days).
The month with the least sunshine days is November (10.1 days).

Average UV index in September - Port-le-Grand, France
Average UV index in September
Port-le-Grand, 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 - Port-le-Grand, France
Average cloud cover in September
Port-le-Grand, France
  • Average cloud cover in September: 42

The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in September - Port-le-Grand, France
Average visibility in September
Port-le-Grand, 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).

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