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
September's advent denotes a minor fluctuation in the average high-temperature to a refreshing 18.9°C (66°F) from August's 20.7°C (69.3°F). An average nighttime temperature of 12.9°C (55.2°F) is noted in Saint-Julien-sur-Calonne, France, during the month of September.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 79%.Rainfall
In Saint-Julien-sur-Calonne, in September, it is raining for 13.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Saint-Julien-sur-Calonne, there are 188.8 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
In Saint-Julien-sur-Calonne, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 36min.On the first day of the month, sunrise is at 07:16 and sunset at 20:41. On the last day of September, sunrise is at 07:58 and sunset at 19:39 CEST.
Sunshine
The average sunshine in September in Saint-Julien-sur-Calonne is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint-Julien-sur-Calonne in September?
What is the least humid month in Saint-Julien-sur-Calonne?
What is the average humidity in September in Saint-Julien-sur-Calonne?
How many days does it rain in September in Saint-Julien-sur-Calonne?
When it does not snow in Saint-Julien-sur-Calonne?
How many hours of daylight does Saint-Julien-sur-Calonne have in September?
When are sunrise and sunset in September in Saint-Julien-sur-Calonne?
How many hours of sunshine does Saint-Julien-sur-Calonne have in September?
How high is the UV index in September in Saint-Julien-sur-Calonne?
Average temperature in September
Saint-Julien-sur-Calonne, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in September
Saint-Julien-sur-Calonne, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Saint-Julien-sur-Calonne, France
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).
Average humidity in September
Saint-Julien-sur-Calonne, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and November (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Saint-Julien-sur-Calonne, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Saint-Julien-sur-Calonne, France
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is April (13.1 days).
Average snowfall in September
Saint-Julien-sur-Calonne, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Julien-sur-Calonne, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Saint-Julien-sur-Calonne, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 6min).
Average sunshine days in September
Saint-Julien-sur-Calonne, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Saint-Julien-sur-Calonne, 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 and November (UV index 2).
Average cloud cover in September
Saint-Julien-sur-Calonne, France
- Average cloud cover in September: 40
The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and July (Cloud cover 39).
Average visibility in September
Saint-Julien-sur-Calonne, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
Saint-Julien-sur-Calonne, France
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