September weather forecastPloéven, France

September

Weather in September

September, the first month of the autumn in Ploéven, is still a comfortable month, with an average temperature varying between 18.6°C (65.5°F) and 13.3°C (55.9°F).

Temperature

Ploéven records a slight change with September's average high-temperatures adjusting to a still comfortable 18.6°C (65.5°F) from August's 19.5°C (67.1°F). September nights cool down to an average low-temperature of 13.3°C (55.9°F).

Humidity

The average relative humidity in September in Ploéven is 80%.

Rainfall

September is the month with the least rainfall in Ploéven. Rain falls for 11.5 days and accumulates 25mm (0.98") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Ploéven, France, is 12h and 34min.
On the first day of September in Ploéven, sunrise is at 07:35 and sunset at 20:58. On the last day of the month, sunrise is at 08:15 and sunset at 19:57 CEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In Ploéven, France, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 during September leads to these advisories:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

In Ploéven, in September, the average high-temperature is 18.6°C (65.5°F), and the average low-temperature is 13.3°C (55.9°F).

The average relative humidity in September in Ploéven is 80%.

The month with the least rainfall in Ploéven, France, is September, when the rain falls for 11.5 days and typically collects 25mm (0.98") of precipitation.

In Ploéven, during September, the rain falls for 11.5 days and regularly aggregates up to 25mm (0.98") of precipitation.

April through October are months without snowfall in Ploéven, France.

In September, the average day length is 12h and 34min.

On the first day of September in Ploéven, sunrise is at 07:35 and sunset at 20:58. On the last day of the month, sunrise is at 08:15 and sunset at 19:57 CEST.

In September, the average sunshine duration is 7.4h.

The average daily maximum UV index in September in Ploéven is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Ploéven, France

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).

  • Average low temperature in September: 13.3°C

The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average pressure in September
Ploéven, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in September
Ploéven, France

  • Average wind speed in September: 16.8km/h

The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).

Average humidity in September
Ploéven, France

  • Average humidity in September: 80%

The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).

Average rainfall in September
Ploéven, France

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in September
Ploéven, France

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in September
Ploéven, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Ploéven, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.9 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
Ploéven, 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 24min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Ploéven, France

  • Average sunshine days in September: 14.6 days

The months with the most sunshine days are May and September (14.6 days).
The month with the least sunshine days is November (6.6 days).

Average UV index in September
Ploéven, France

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Ploéven, France

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).

Average visibility in September
Ploéven, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, June, September and October (10km).
The months with the lowest visibility are January, May, July, August, November and December (9km).