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
A moderate decline in average high-temperatures is noted in Differdange in September, moving from an agreeable 22.8°C (73°F) in August to a comfortable 18.5°C (65.3°F). In the month of September, the nighttime temperature in Differdange dips to a steady average of 9.5°C (49.1°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Differdange, in September, during 12.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.Snowfall
In Differdange, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September, sunrise is at 06:53 and sunset at 20:19. On the last day of the month, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Differdange, the average sunshine in September is 8h.UV index
In Differdange, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the average September temperature in Differdange?
What is the average humidity in September in Differdange?
How much does it rain in Differdange in September?
When it does not snow in Differdange?
Does it snow in Differdange in September?
What is the average length of the day in September in Differdange?
When are sunrise and sunset in September in Differdange?
How long on average sun shines in September in Differdange?
What is the UV index reading in September in Differdange?
Average temperature in September
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, Luxembourg
- 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 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
Differdange, 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
Differdange, 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
Differdange, 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
Differdange, 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).
Differdange, Luxembourg
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