Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The average high-temperature in September, at a still comfortable 17.9°C (64.2°F), reveals a modest deviation from August's 18.8°C (65.8°F). In Saint-Pol-de-Léon, nights during September observe an average temperature decrease to a mild 13.4°C (56.1°F).Humidity
In Saint-Pol-de-Léon, the average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Saint-Pol-de-Léon. Rain falls for 14.1 days and accumulates 30mm (1.18") of precipitation.Snowfall
In Saint-Pol-de-Léon, snow does not fall in April through October.Daylight
In Saint-Pol-de-Léon, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:33 and sunset at 20:57. On the last day of September, sunrise is at 08:14 and sunset at 19:56 CEST.
Sunshine
In Saint-Pol-de-Léon, the average sunshine in September is 7.2h.UV index
In Saint-Pol-de-Léon, France, 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 rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Pol-de-Léon?
What is the average humidity in September in Saint-Pol-de-Léon?
What is the driest month in Saint-Pol-de-Léon?
How much does it rain in Saint-Pol-de-Léon in September?
When it does not snow in Saint-Pol-de-Léon?
What is the average length of the day in September in Saint-Pol-de-Léon?
When are sunrise and sunset in September in Saint-Pol-de-Léon?
How many hours of sunshine does Saint-Pol-de-Léon have in September?
What is the UV index reading in September in Saint-Pol-de-Léon?
Average temperature in September
Saint-Pol-de-Léon, France
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in September
Saint-Pol-de-Léon, 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
Saint-Pol-de-Léon, France
- Average wind speed in September: 19.1km/h
The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in September
Saint-Pol-de-Léon, France
- Average humidity in September: 81%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).
Average rainfall in September
Saint-Pol-de-Léon, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Saint-Pol-de-Léon, France
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).
Average snowfall in September
Saint-Pol-de-Léon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Pol-de-Léon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Saint-Pol-de-Léon, France
- Average daylight in September: 12h and 4min
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 1min
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
Saint-Pol-de-Léon, France
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in September
Saint-Pol-de-Léon, France
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Saint-Pol-de-Léon, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in September
Saint-Pol-de-Léon, France
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
