< Previous Month Next Month >

Nantes September Weather

Averages and records for weather in Nantes, France in the month of September.

Typical Nantes September Weather 1991–2020
Average daily high	22.4 °C
Average daily low	11.8 °C
Average monthly precipitation	6.0 cm
Daily chance of precipitation	47.8%

Nantes September Weather Records 1945–2024
Highest temperature	35.4 °C	September 9, 2023
Lowest temperature	2.8 °C	September 19, 1952
Highest daily low	20.0 °C	September 16, 1961
Lowest daily high	11.3 °C	September 17, 1986
Hottest average high temperature	25.7 °C	1959
Coldest average high temperature	18.0 °C	1952
Most daily precipitation	4.8 cm	September 25, 1975
Most monthly precipitation	20.0 cm	1999

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	24.1	13.2	34.3	6.3
September 2	24.0	13.1	32.6	7.2
September 3	23.9	13.0	33.1	7.1
September 4	23.8	12.9	33.8	6.0
September 5	23.6	12.8	32.8	5.8
September 6	23.5	12.7	34.4	6.2
September 7	23.4	12.6	33.7	5.1
September 8	23.3	12.5	34.6	4.5
September 9	23.2	12.4	35.4	5.9
September 10	23.1	12.3	32.6	4.1
September 11	22.9	12.1	32.7	3.9
September 12	22.8	12.0	35.1	4.8
September 13	22.7	11.9	32.0	5.4
September 14	22.6	11.9	33.2	6.3
September 15	22.5	11.8	32.0	4.4
September 16	22.3	11.7	31.3	4.0
September 17	22.2	11.7	32.0	5.2
September 18	22.0	11.7	32.0	4.6
September 19	21.9	11.6	32.2	2.8
September 20	21.7	11.5	29.1	4.0
September 21	21.5	11.4	30.5	4.0
September 22	21.3	11.3	28.0	4.0
September 23	21.1	11.2	29.4	4.2
September 24	21.0	11.2	29.3	4.0
September 25	20.8	11.1	27.1	4.7
September 26	20.7	11.0	28.1	3.4
September 27	20.5	11.0	30.6	4.5
September 28	20.4	10.9	29.7	5.0
September 29	20.3	10.8	30.4	2.9
September 30	20.2	10.8	30.6	2.9

Weather Station Details

Years	Station	Coordinates
1945–2024	Nantes-Bouguenais	location