Measurements:
°C
°F
Diekirch
18°F
S 6 mph
Feels like: 10°F
Precip: 0%
World Resorts Luxembourg Diekirch Weather September Weather in Diekirch

Diekirch Weather: September

Average Day Temperature: 65.5°F
Average Night Temperature: 50.7°F
Number of Sunny Days: 11 days
Sunshine Hours: 11.7 - 13.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 79°F. The lowest night temperature was 44°F. The average values for day and night temperatures during September were 62.8°F и 52.0°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Diekirch is 1.2 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 6.9 mph. It makes September one of the most windless months of the year for Diekirch.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Diekirch in September is 7.1 hours.

Best Time to Visit Diekirch
The most sunny months:
August 12 days
July 11 days
September 11 days
The most warm months:
August 73.2 °F
July 72.3 °F
June 69.0 °F
The most cold months:
January 35.5 °F
February 38.4 °F
December 38.5 °F
The most rainy months:
June 4 days
January 4 days
May 4 days
The most windy months:
February 10 mph
January 9 mph
December 9 mph

Diekirch on the Weather Map

Luxembourg Resorts:
NAME
Clervaux +12
Diekirch +18
Echternach +20
Luxembourg +14
Remich +20
Vianden +18
Wiltz +14
24 Hours Weather Forecast
Diekirch
Local time: 21:19
11 jan, sunday
0000 18°F
S
4 mph
0300 16°F
SW
4 mph
0600 16°F
W
2 mph
0900 16°F
W
3 mph
1200 22°F
NW
6 mph
1500 26°F
N
8 mph
1800 20°F
NW
5 mph
2100 22°F
NW
4 mph