September weather forecastPlouguerneau, France

September

Weather in September

September, the first month of the autumn in Plouguerneau, is still a refreshing month, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 17.9°C (64.2°F).

Temperature

The transition into September is marked with an average high-temperature of a still enjoyable 17.9°C (64.2°F), showing an insignificant shift from August's 18.7°C (65.7°F). Plouguerneau encounters a negligible difference from daytime peaks throughout the September nights, with a low-temperature average of 13.5°C (56.3°F).

Humidity

The average relative humidity in September in Plouguerneau is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 22mm (0.87") of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Plouguerneau, France, is 12h and 35min.
On the first day of the month, sunrise is at 07:35 and sunset at 20:59. On the last day of September, in Plouguerneau, sunrise is at 08:16 and sunset at 19:58 CEST.

Sunshine

In September, the average sunshine in Plouguerneau is 7.2h.

UV index

In September, the average daily maximum UV index in Plouguerneau is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

In Plouguerneau, 17.9°C (64.2°F) is the average high-temperature and 13.5°C (56.3°F) is the average low-temperature during September.

In Plouguerneau, the average relative humidity in September is 81%.

September is the month with the least rainfall in Plouguerneau. Rain falls for 10.6 days and accumulates 22mm (0.87") of precipitation.

In Plouguerneau, in September, it is raining for 10.6 days, with typically 22mm (0.87") of accumulated precipitation.

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

In Plouguerneau, France, the average day length in September is 12h and 35min.

On the first day of September, sunrise is at 07:35 and sunset at 20:59. On the last day of the month, sunrise is at 08:16 and sunset at 19:58 CEST.

In Plouguerneau, the average sunshine duration in September is 7.2h.

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

  • Average high temperature in September: 17.9°C

The warmest months (with the highest average high temperature) are July and August (18.7°C).
The month with the lowest average high temperature is February (9.4°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.4°C).

Average pressure in September
Plouguerneau, 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 (1011.8mbar).

Average wind speed in September
Plouguerneau, France

  • Average wind speed in September: 19.2km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).

Average humidity in September
Plouguerneau, France

  • Average humidity in September: 81%

The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, March and April (80%).

Average rainfall in September
Plouguerneau, France

  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is September (22mm).

Average rainfall days in September
Plouguerneau, France

  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (10.6 days).

Average snowfall in September
Plouguerneau, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (3mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Plouguerneau, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 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
Plouguerneau, 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 12min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Plouguerneau, France

  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is September (16.4 days).
The months with the least sunshine days are January and November (7.3 days).

Average UV index in September
Plouguerneau, 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
Plouguerneau, France

  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 41).

Average visibility in September
Plouguerneau, France

  • Average visibility in September: 10km

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