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
Weather in September
Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a warm 24.2°C (75.6°F) in August to an agreeable 21.1°C (70°F). The average temperature during September nights dips to a cool 11.2°C (52.2°F).Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 16mm (0.63") of precipitation.Snowfall
In Parennes, snow does not fall in April through October.Daylight
The average length of the day in September in Parennes is 12h and 34min.On the first day of the month, sunrise is at 07:19 and sunset at 20:41. On the last day of September, sunrise is at 07:59 and sunset at 19:41 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index in Parennes is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Parennes in September?
What is the average humidity in September in Parennes?
What is the driest month in Parennes?
How much does it rain in Parennes in September?
When it does not snow in Parennes?
What is the average length of the day in September in Parennes?
When is the sunrise / sunset in September in Parennes?
How many hours of sunshine does Parennes have in September?
What is the UV index intensity in September in Parennes?
Average temperature in September
Parennes, France
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Parennes, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Parennes, France
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Parennes, France
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Parennes, France
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Parennes, France
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in September
Parennes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Parennes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Parennes, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Parennes, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Parennes, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Parennes, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Parennes, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).
Parennes, France
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