September weather forecastPlougrescant, France
September
Weather in September
September, the first month of the autumn in Plougrescant, is still a refreshing month, with an average temperature varying between 14.2°C (57.6°F) and 17.6°C (63.7°F).Temperature
September's climate shows a minor adjustment in average high-temperatures to a still enjoyable 17.6°C (63.7°F) from August's 18.7°C (65.7°F). In September, Plougrescant's nights cool slightly to a consistent average temperature of 14.2°C (57.6°F).Humidity
In Plougrescant, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Plougrescant, snow does not fall in April through October.Sea temperature
In Plougrescant, the average seawater temperature in September is 17.3°C (63.1°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 17.3°C (63.1°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
In Plougrescant, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:30 and sunset at 20:54. On the last day of September, sunrise is at 08:11 and sunset at 19:53 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plougrescant, France
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (18.7°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (6.3°C).
Average pressure in September
Plougrescant, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Plougrescant, France
- Average wind speed in September: 20.4km/h
The windiest month (with the highest average wind speed) is December (28.8km/h).
The calmest month (with the lowest average wind speed) is July (18km/h).
Average humidity in September
Plougrescant, France
- Average humidity in September: 80%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (79%).
Average rainfall in September
Plougrescant, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Plougrescant, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is November (19.5 days).
The month with the least rainy days is September (11.6 days).
Average snowfall in September
Plougrescant, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Plougrescant, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Plougrescant, France
- Average sea temperature in September: 17.3°C
The best month for swimming (with the highest average sea temperature) is August (17.4°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).
Average daylight in September /
Average sunshine in September
Plougrescant, 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 18min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Plougrescant, France
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Plougrescant, France
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Plougrescant, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Plougrescant, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





