September weather forecastTroine, Luxembourg
September
Weather in September
September holds the mix of late summer and early fall in Troine. Temperatures cool slightly compared to August, infusing a crisp freshness in the air. Weather patterns in this month provide an inviting atmosphere for outdoor adventures without the intense summer heat. The city begins its transition towards the colors of fall, which brings picturesque landscapes. The beauty of Troine in September is indeed worth savoring.Temperature
Troine's progression into September involves a gentle drop in the average high-temperature, from an agreeable 20.9°C (69.6°F) in August to a refreshing 17.3°C (63.1°F). Troine records an average temperature drop to a frosty 8.3°C (46.9°F) in September.Humidity
In Troine, the average relative humidity in September is 83%.Rainfall
In September, in Troine, the rain falls for 13.1 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Troine, there are 167 rainfall days, and 571mm (22.48") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Troine, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:52 and sunset at 20:20. On the last day of the month, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Troine, Luxembourg
- Average high temperature in September: 17.3°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 (2.4°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Troine, Luxembourg
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are September and December (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Troine, Luxembourg
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Troine, Luxembourg
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Troine, Luxembourg
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Troine, Luxembourg
- Average rainfall days in September: 13.1 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Troine, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Troine, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Troine, Luxembourg
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Troine, Luxembourg
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Troine, Luxembourg
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Troine, Luxembourg
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Troine, Luxembourg
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).
