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 onset of September notes an average high-temperature of an enjoyable 19.6°C (67.3°F), subtly shifted from August's 20.8°C (69.4°F). Nightly temperatures drop to an average low of 12.4°C (54.3°F) in September.Humidity
In September, the average relative humidity in Plogonnec is 80%.Rainfall
September is the month with the least rainfall in Plogonnec. Rain falls for 12.2 days and accumulates 26mm (1.02") of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Plogonnec, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 07:35 and sunset at 20:57. On the last day of the month, sunrise is at 08:15 and sunset at 19:57 CEST.
Sunshine
In September, the average sunshine in Plogonnec is 7.5h.UV index
In September, the average daily maximum UV index in Plogonnec is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Plogonnec in September?
What is the average humidity in September in Plogonnec?
What is the driest month in Plogonnec?
How much does it rain in Plogonnec in September?
When it does not snow in Plogonnec?
What is the average length of the day in September in Plogonnec?
When are sunrise and sunset in September in Plogonnec?
How long on average sun shines in September in Plogonnec?
What is the UV index reading in September in Plogonnec?
Average temperature in September
Plogonnec, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.1°C).
Average pressure in September
Plogonnec, 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 (1012.5mbar).
Average wind speed in September
Plogonnec, France
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Plogonnec, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Plogonnec, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Plogonnec, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Plogonnec, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Plogonnec, 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, October and November (0 days).
Average daylight in September /
Average sunshine in September
Plogonnec, France
- Average daylight in September: 12h and 4min
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 24min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Plogonnec, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Plogonnec, 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
Plogonnec, 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 September (Cloud cover 40).
Average visibility in September
Plogonnec, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
