September weather forecastFrisange, Luxembourg
September
Weather in September
September, the first month of the autumn in Frisange, is still a refreshing month, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.5°C (65.3°F).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a pleasant 22.8°C (73°F) in August to an enjoyable 18.5°C (65.3°F). Frisange, during the nights of September, experiences an average temperature drop to a chilly 9.5°C (49.1°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Frisange, in September, during 12.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Frisange, Luxembourg, during the entire year, the rain falls for 187.2 days and collects up to 636mm (25.04") of precipitation.Snowfall
In Frisange, Luxembourg, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 06:51 and sunset at 20:18. On the last day of the month, sunrise is at 07:34 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In Frisange, Luxembourg, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frisange, Luxembourg
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Frisange, Luxembourg
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Frisange, Luxembourg
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Frisange, Luxembourg
- Average humidity in September: 79%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Frisange, Luxembourg
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in September
Frisange, Luxembourg
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in September
Frisange, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Frisange, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Frisange, Luxembourg
- Average daylight in September: 12h and 36min
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 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Frisange, Luxembourg
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index in September
Frisange, Luxembourg
- 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
Frisange, Luxembourg
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Frisange, Luxembourg
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).





