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Port Alberni September Weather

Averages and records for weather in Port Alberni, British Columbia in the month of September.

Typical Port Alberni September Weather 1991–2020
Average daily high	21.8 °C
Average daily low	8.4 °C
Average monthly precipitation	7.5 cm
Daily chance of precipitation	37.2%

Port Alberni September Weather Records 1917–2024
Highest temperature	37.1 °C	September 4, 2017
Lowest temperature	-3.9 °C	September 24, 1926
Highest daily low	18.3 °C	September 6, 1957
Lowest daily high	10.0 °C	September 24, 1958
Hottest average high temperature	25.6 °C	1989
Coldest average high temperature	17.8 °C	1978
Most daily precipitation	7.6 cm	September 17, 2021
Most monthly precipitation	27.3 cm	1933

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	23.8	9.9	32.4	3.3
September 2	23.6	9.8	35.1	1.3
September 3	23.4	9.7	35.0	3.9
September 4	23.2	9.6	37.1	3.7
September 5	23.1	9.6	33.9	3.7
September 6	23.0	9.5	32.9	3.7
September 7	22.9	9.4	32.8	3.3
September 8	22.8	9.3	33.6	1.7
September 9	22.6	9.2	32.8	3.3
September 10	22.4	9.1	35.0	1.3
September 11	22.3	9.0	34.0	0.0
September 12	22.2	8.9	31.2	-0.6
September 13	22.1	8.8	32.3	-3.3
September 14	22.0	8.6	35.6	-0.6
September 15	21.9	8.5	31.1	-0.9
September 16	21.8	8.4	31.1	-0.6
September 17	21.6	8.3	31.6	0.0
September 18	21.4	8.2	30.6	-2.2
September 19	21.1	8.1	30.6	-1.1
September 20	20.9	7.9	30.6	-0.6
September 21	20.7	7.8	31.1	0.3
September 22	20.5	7.7	33.1	1.0
September 23	20.3	7.6	31.1	-2.2
September 24	20.1	7.5	31.1	-3.9
September 25	19.8	7.4	28.3	-2.8
September 26	19.5	7.3	29.5	0.0
September 27	19.2	7.1	29.5	-2.8
September 28	18.9	7.0	30.6	-2.2
September 29	18.7	6.9	30.6	-1.7
September 30	18.5	6.8	27.9	-1.8

Weather Station Details

Years	Station	Coordinates
1996–2024	Port Alberni (AUT)	location
1970–1995	Port Alberni A	location
1960–1969	Port Alberni Redford	location
1917–1959	Port Alberni	location