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
The transition into September is marked with an average high-temperature of a refreshing 19.7°C (67.5°F), showing an insignificant shift from August's 21.2°C (70.2°F). Le Guerno in September experiences a low-temperature average of 13.2°C (55.8°F).Humidity
August and September, with an average relative humidity of 78%, are the least humid months in Le Guerno, France.Rainfall
The month with the least rainfall in Le Guerno is September, when the rain falls for 10 days and typically collects 24mm (0.94") of precipitation.Snowfall
January, March, May through November are months without snowfall.Daylight
In September, the average length of the day in Le Guerno, France, is 12h and 34min.On the first day of the month, sunrise is at 07:28 and sunset at 20:49. On the last day of September, in Le Guerno, France, sunrise is at 08:08 and sunset at 19:50 CEST.
Sunshine
In Le Guerno, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Le Guerno is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Le Guerno?
What are the least humid months in Le Guerno?
What is the average humidity in September in Le Guerno?
What is the driest month in Le Guerno?
How many days does it rain in September in Le Guerno?
When it does not snow in Le Guerno?
What is the average length of the day in September in Le Guerno?
When are sunrise and sunset in September in Le Guerno?
How long on average sun shines in September in Le Guerno?
What is the UV index reading in September in Le Guerno?
Average temperature in September
Le Guerno, France
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Le Guerno, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Le Guerno, France
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Le Guerno, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Le Guerno, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Le Guerno, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Le Guerno, France
- Average snowfall in September: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Le Guerno, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 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
Le Guerno, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Le Guerno, France
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Le Guerno, 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, March, April, November and December (UV index 3).
Average cloud cover in September
Le Guerno, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Le Guerno, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Le Guerno, France
Weather forecast for your location
2. Allow the app to use your location