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 arrival of September denotes a barely perceptible change in the average high-temperatures to a comfortable 18.9°C (66°F) from August's 20.9°C (69.6°F). An average low-temperature of 12.3°C (54.1°F) is noted in Saint-Germain-la-Blanche-Herbe during the month of September.Humidity
August and September, with an average relative humidity of 80%, are the least humid months in Saint-Germain-la-Blanche-Herbe, France.Rainfall
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 27mm (1.06") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September, sunrise is at 07:18 and sunset at 20:44. On the last day of the month, sunrise is at 08:00 and sunset at 19:42 CEST.
Sunshine
In Saint-Germain-la-Blanche-Herbe, France, the average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the average September temperature in Saint-Germain-la-Blanche-Herbe?
What are the least humid months in Saint-Germain-la-Blanche-Herbe?
What is the average humidity in September in Saint-Germain-la-Blanche-Herbe?
What is the driest month in Saint-Germain-la-Blanche-Herbe?
How many days does it rain in September in Saint-Germain-la-Blanche-Herbe?
When it does not snow in Saint-Germain-la-Blanche-Herbe?
What is the average length of the day in September in Saint-Germain-la-Blanche-Herbe?
When is the sunrise / sunset in September in Saint-Germain-la-Blanche-Herbe?
How many hours of sunshine does Saint-Germain-la-Blanche-Herbe have in September?
What is the UV index reading in September in Saint-Germain-la-Blanche-Herbe?
Average temperature in September
Saint-Germain-la-Blanche-Herbe, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 12.3°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 (3.7°C).
Average pressure in September
Saint-Germain-la-Blanche-Herbe, 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-Germain-la-Blanche-Herbe, France
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in September
Saint-Germain-la-Blanche-Herbe, France
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in September
Saint-Germain-la-Blanche-Herbe, France
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Saint-Germain-la-Blanche-Herbe, France
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in September
Saint-Germain-la-Blanche-Herbe, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Germain-la-Blanche-Herbe, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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-Germain-la-Blanche-Herbe, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Saint-Germain-la-Blanche-Herbe, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in September
Saint-Germain-la-Blanche-Herbe, France
- Average UV index in September: 4
The months with the highest UV index are 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
Saint-Germain-la-Blanche-Herbe, France
- Average cloud cover in September: 40
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in September
Saint-Germain-la-Blanche-Herbe, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
Saint-Germain-la-Blanche-Herbe, France
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