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Frankfurt September Weather

Averages and records for weather in Frankfurt, Germany in the month of September.

Typical Frankfurt September Weather 1991–2020
Average daily high	20.8 °C
Average daily low	10.6 °C
Average monthly precipitation	4.8 cm
Daily chance of precipitation	38.8%

Frankfurt September Weather Records 1934–2024
Highest temperature	33.9 °C	September 6, 1949
Lowest temperature	-2.8 °C	September 29, 1939
Highest daily low	19.1 °C	September 4, 2011
Lowest daily high	9.5 °C	September 28, 1954
Hottest average high temperature	25.5 °C	2023
Coldest average high temperature	15.8 °C	1952
Most daily precipitation	4.4 cm	September 21, 1967
Most monthly precipitation	14.9 cm	1957

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
September 1	23.3	12.7	31.6	4.5
September 2	23.1	12.5	32.4	6.1
September 3	22.9	12.4	31.1	5.2
September 4	22.7	12.2	32.2	5.0
September 5	22.5	12.0	32.2	3.0
September 6	22.3	11.9	33.9	3.2
September 7	22.2	11.7	30.6	2.6
September 8	22.0	11.5	30.6	2.9
September 9	21.9	11.4	31.6	3.2
September 10	21.7	11.2	30.4	2.2
September 11	21.5	11.1	30.1	2.7
September 12	21.4	11.0	32.2	3.6
September 13	21.2	10.9	32.8	3.7
September 14	21.0	10.8	31.8	3.5
September 15	20.9	10.7	31.5	3.4
September 16	20.7	10.6	32.7	-0.3
September 17	20.6	10.5	29.6	1.1
September 18	20.4	10.4	31.6	3.4
September 19	20.2	10.3	30.5	1.8
September 20	20.1	10.1	30.3	2.8
September 21	19.9	10.1	29.3	1.0
September 22	19.7	10.0	28.8	3.6
September 23	19.5	9.9	26.7	1.1
September 24	19.3	9.8	27.2	0.6
September 25	19.1	9.7	26.1	2.2
September 26	18.9	9.5	27.8	-1.1
September 27	18.7	9.4	26.2	-0.1
September 28	18.5	9.2	26.1	1.1
September 29	18.3	9.1	27.2	-2.8
September 30	18.1	8.9	26.4	-2.2

Weather Station Details

Years	Station	Coordinates
1934–2024	Frankfurt Airport	location