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
September denotes a minimal variation in the average high-temperature to a comfortable 19.6°C (67.3°F) from August's 20.8°C (69.4°F). An average temperature of 12.4°C (54.3°F) marks the nights in Plonéour-Lanvern in September.Humidity
In Plonéour-Lanvern, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Plonéour-Lanvern. Rain falls for 12.2 days and accumulates 26mm (1.02") of precipitation.Snowfall
In Plonéour-Lanvern, snow does not fall in March through November.Daylight
In Plonéour-Lanvern, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 07:36 and sunset at 20:57. On the last day of the month, sunrise is at 08:15 and sunset at 19:58 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Plonéour-Lanvern?
What is the average humidity in September in Plonéour-Lanvern?
What is the driest month in Plonéour-Lanvern?
How many days does it rain in September in Plonéour-Lanvern?
When it does not snow in Plonéour-Lanvern?
What is the average length of the day in September in Plonéour-Lanvern?
When is the sunrise / sunset in September in Plonéour-Lanvern?
How many hours of sunshine does Plonéour-Lanvern have in September?
How high is the UV index in September in Plonéour-Lanvern?
Average temperature in September
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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 30min).
- 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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
Plonéour-Lanvern, 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).
