September weather forecastPlouay, France

September

Weather in September

September, the first month of the autumn in Plouay, is still a refreshing month, with an average temperature ranging between min 12.6°C (54.7°F) and max 19.3°C (66.7°F).

Temperature

During September, Plouay records an average high-temperature of an enjoyable 19.3°C (66.7°F), marking a slight divergence from August's 20.8°C (69.4°F). Plouay experiences an average low-temperature of 12.6°C (54.7°F) in month of September.

Humidity

April, July and September, with an average relative humidity of 79%, are the least humid months.

Rainfall

In Plouay, France, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. In Plouay, during the entire year, the rain falls for 176.4 days and collects up to 623mm (24.53") of precipitation.

Snowfall

In Plouay, snow does not fall in March, May through November.

Daylight

In Plouay, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 07:32 and sunset at 20:54. On the last day of September, sunrise is at 08:11 and sunset at 19:54 CEST.

Sunshine

In Plouay, the average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index in Plouay is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 4 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

September temperatures in Plouay vary between a high-temperature of 19.3°C (66.7°F) and a low-temperature of 12.6°C (54.7°F).

April, July and September, with an average relative humidity of 79%, are the least humid months.

In Plouay, the average relative humidity in September is 79%.

In Plouay, France, in September, it is raining for 10.8 days, with typically 28mm (1.1") of accumulated precipitation.

In Plouay, snow does not fall in March, May through November.

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

On the first day of September in Plouay, France, sunrise is at 07:32 and sunset at 20:54. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.

In Plouay, France, the average sunshine duration in September is 7.8h.

The average daily maximum UV index in September in Plouay, France, is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Plouay, France

  • Average high temperature in September: 19.3°C

The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).

  • Average low temperature in September: 12.6°C

The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

Average pressure in September
Plouay, France

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

Average wind speed in September
Plouay, France

  • Average wind speed in September: 15.5km/h

The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).

Average humidity in September
Plouay, France

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).

Average rainfall in September
Plouay, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (27mm).

Average rainfall days in September
Plouay, France

  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (10.8 days).

Average snowfall in September
Plouay, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Plouay, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1 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
Plouay, 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 30min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Plouay, France

  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is November (8.5 days).

Average UV index in September
Plouay, 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
Plouay, France

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in September
Plouay, France

  • Average visibility in September: 10km

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