September weather forecastPloubalay, France

September

Weather in September

September, the first month of the autumn in Ploubalay, is still a comfortable month, with an average temperature varying between 19.7°C (67.5°F) and 12.5°C (54.5°F).

Temperature

With the onset of September, the average high-temperature stands at a refreshing 19.7°C (67.5°F), closely aligned with August's 21.3°C (70.3°F). During September, Ploubalay records a consistent average nighttime temperature of 12.5°C (54.5°F).

Humidity

September is the least humid month, with an average relative humidity of 78%.

Rainfall

The month with the least rainfall in Ploubalay is September, when the rain falls for 14.3 days and typically collects 28mm (1.1") of precipitation.

Snowfall

May through October are months without snowfall in Ploubalay.

Daylight

In Ploubalay, the average length of the day in September is 12h and 35min.
On the first day of September in Ploubalay, sunrise is at 07:26 and sunset at 20:50. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

Sunshine

In Ploubalay, the average sunshine in September is 7.4h.

UV index

In Ploubalay, France, 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 rays for the average person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

The high-temperature, in September, in Ploubalay, is 19.7°C (67.5°F), while the low-temperature averages to 12.5°C (54.5°F).

With an average relative humidity of 78%, September is the least humid month.

The average relative humidity in September is 78%.

The month with the least rainfall in Ploubalay is September, when the rain falls for 14.3 days and typically collects 28mm (1.1") of precipitation.

In September, in Ploubalay, France, the rain falls for 14.3 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

In Ploubalay, snow does not fall in May through October.

The average day length in September in Ploubalay, France, is 12h and 35min.

On the first day of September, sunrise is at 07:26 and sunset at 20:50. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

In September, the average sunshine duration in Ploubalay, France, is 7.4h.

In September, the average daily maximum UV index in Ploubalay, France, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ploubalay, France

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in September
Ploubalay, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Ploubalay, France

  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is August (14.3km/h).

Average humidity in September
Ploubalay, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Ploubalay, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in September
Ploubalay, France

  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is January (20.2 days).
The month with the least rainy days is September (14.3 days).

Average snowfall in September
Ploubalay, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (11mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Ploubalay, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 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
Ploubalay, France

  • Average daylight in September: 12h and 36min

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 24min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Ploubalay, France

  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is September (12.5 days).
The months with the least sunshine days are January and November (6.6 days).

Average UV index in September
Ploubalay, France

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in September
Ploubalay, France

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 39).

Average visibility in September
Ploubalay, France

  • Average visibility in September: 9km

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