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Barcelona September Weather

Averages and records for weather in Barcelona, Spain in the month of September.

Typical Barcelona September Weather 1991–2020
Average daily high	26.0 °C
Average daily low	18.0 °C
Average monthly precipitation	8.6 cm
Daily chance of precipitation	26.0%

Barcelona September Weather Records 1924–2024
Highest temperature	34.0 °C	September 17, 1926
Lowest temperature	7.6 °C	September 30, 1974
Highest daily low	25.0 °C	September 4, 2023
Lowest daily high	16.2 °C	September 23, 1993
Hottest average high temperature	30.5 °C	1926
Coldest average high temperature	21.4 °C	1972
Most daily precipitation	18.7 cm	September 25, 1953
Most monthly precipitation	43.5 cm	1959

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	27.8	20.1	31.5	11.8
September 2	27.7	19.9	32.0	10.8
September 3	27.6	19.8	30.5	10.2
September 4	27.5	19.7	31.3	11.0
September 5	27.4	19.5	31.6	13.0
September 6	27.2	19.4	31.2	13.0
September 7	27.1	19.3	30.5	10.0
September 8	27.0	19.2	33.4	12.0
September 9	26.9	19.0	32.2	11.6
September 10	26.7	18.9	31.9	10.8
September 11	26.6	18.7	31.8	11.0
September 12	26.5	18.6	33.0	11.8
September 13	26.3	18.4	32.8	12.6
September 14	26.2	18.2	31.6	10.0
September 15	26.1	18.1	31.0	10.0
September 16	26.0	18.0	31.5	9.6
September 17	25.9	17.9	34.0	10.8
September 18	25.8	17.8	32.0	10.5
September 19	25.7	17.6	33.0	11.6
September 20	25.6	17.5	30.0	12.2
September 21	25.4	17.3	31.1	12.0
September 22	25.3	17.2	31.5	10.4
September 23	25.2	17.0	31.0	9.0
September 24	25.0	16.9	31.5	9.4
September 25	24.9	16.8	30.0	8.5
September 26	24.8	16.7	30.5	9.5
September 27	24.6	16.5	30.0	9.5
September 28	24.5	16.4	28.0	10.0
September 29	24.4	16.3	31.0	8.0
September 30	24.2	16.2	29.0	7.6

Weather Station Details

Years	Station	Coordinates
1924–2024	Barcelona Aeropuerto	location