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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from an agreeable 22.7°C (72.9°F) in August to an enjoyable 19.5°C (67.1°F). Berthen observes an average low-temperature of 11.8°C (53.2°F) during September nights.Humidity
In Berthen, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 12mm (0.47") of precipitation.Snowfall
In Berthen, snow does not fall in April through October.Daylight
In Berthen, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 07:03 and sunset at 20:34. On the last day of September, sunrise is at 07:48 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Berthen in September?
What is the average humidity in September in Berthen?
What is the driest month in Berthen?
How many days does it rain in September in Berthen?
When it does not snow in Berthen?
What is the average length of the day in September in Berthen?
What time are sunrise and sunset in September in Berthen?
How long on average sun shines in September in Berthen?
What is the UV index reading in September in Berthen?
Average temperature in September
Berthen, France
- Average high temperature in September: 19.5°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Berthen, France
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Berthen, France
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in September
Berthen, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Berthen, France
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Berthen, France
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (7.5 days).
Average snowfall in September
Berthen, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Berthen, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Berthen, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Berthen, France
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The months with the least sunshine days are February and December (8.5 days).
Average UV index in September
Berthen, 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
Berthen, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Berthen, 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).
