Luxembourg City September Weather

Averages and records for weather in Luxembourg City, Luxembourg in the month of September.
Typical Luxembourg City September Weather
1991–2020
Average daily high 19.0 °C
Average daily low 10.3 °C
Average monthly precipitation 6.7 cm
Daily chance of precipitation 40.8%
Luxembourg City September Weather Records
1947–2024
Highest temperature 32.2 °C September 16, 2020
Lowest temperature -0.7 °C September 30, 1957
Highest daily low 19.1 °C September 5, 1949
Lowest daily high 7.4 °C September 30, 1974
Hottest average high temperature 23.2 °C 2023
Coldest average high temperature 13.5 °C 1952
Most daily precipitation 3.8 cm September 16, 1986
Most monthly precipitation 14.8 cm 1968
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 21.3 12.0 29.0 4.3
September 2 21.1 11.8 29.0 6.4
September 3 20.9 11.7 30.0 4.9
September 4 20.7 11.6 31.3 5.1
September 5 20.5 11.4 30.3 5.2
September 6 20.4 11.3 31.5 4.5
September 7 20.2 11.1 29.8 2.1
September 8 20.1 11.0 31.1 4.7
September 9 20.0 10.9 28.7 4.7
September 10 19.8 10.8 29.2 5.0
September 11 19.6 10.6 29.8 3.3
September 12 19.5 10.5 29.9 3.9
September 13 19.4 10.5 30.6 5.3
September 14 19.2 10.4 30.6 4.2
September 15 19.1 10.3 32.2 3.9
September 16 19.0 10.2 32.2 2.8
September 17 18.8 10.2 27.9 2.7
September 18 18.7 10.1 29.3 3.2
September 19 18.5 9.9 30.8 1.0
September 20 18.3 9.8 28.0 0.6
September 21 18.1 9.7 27.8 3.2
September 22 17.9 9.6 26.0 0.5
September 23 17.8 9.5 25.4 3.2
September 24 17.5 9.4 26.5 2.7
September 25 17.3 9.3 24.4 3.7
September 26 17.2 9.2 24.9 2.9
September 27 17.0 9.1 25.3 3.0
September 28 16.8 8.9 25.4 1.9
September 29 16.7 8.8 25.2 2.1
September 30 16.5 8.7 24.4 -0.7
Weather Station Details
Years Station Coordinates
1947–2024 Luxembourg Airport location