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
In September, the average high-temperature marginally drops from a moderately hot 23.1°C (73.6°F) in August to a refreshing 19.2°C (66.6°F). Sierck-les-Bains records a mean low-temperature of 9.5°C (49.1°F) in September.Humidity
In September, the average relative humidity in Sierck-les-Bains is 79%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Sierck-les-Bains, during the entire year, the rain falls for 185.5 days and collects up to 593mm (23.35") of precipitation.Snowfall
April through September are months without snowfall in Sierck-les-Bains.Daylight
The average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:51 and sunset at 20:17. On the last day of September, sunrise is at 07:33 and sunset at 19:15 CEST.
Sunshine
In Sierck-les-Bains, the average sunshine in September is 8.1h.UV index
In Sierck-les-Bains, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sierck-les-Bains?
What is the average humidity in September in Sierck-les-Bains?
How many days does it rain in September in Sierck-les-Bains?
When it does not snow in Sierck-les-Bains?
Does it snow in Sierck-les-Bains in September?
How many hours of daylight does Sierck-les-Bains have in September?
When is the sunrise / sunset in September in Sierck-les-Bains?
How long on average sun shines in September in Sierck-les-Bains?
What is the UV index reading in September in Sierck-les-Bains?
Average temperature in September
Sierck-les-Bains, France
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Sierck-les-Bains, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Sierck-les-Bains, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Sierck-les-Bains, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Sierck-les-Bains, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Sierck-les-Bains, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in September
Sierck-les-Bains, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sierck-les-Bains, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sierck-les-Bains, 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 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Sierck-les-Bains, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Sierck-les-Bains, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sierck-les-Bains, France
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Sierck-les-Bains, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
