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Sept-Îles August Weather

Averages and records for weather in Sept-Îles, Quebec in the month of August.

Typical Sept-Îles August Weather 1991–2020
Average daily high	19.5 °C
Average daily low	9.7 °C
Average monthly precipitation	8.5 cm
Daily chance of precipitation	45.5%

Sept-Îles August Weather Records 1944–2024
Highest temperature	31.1 °C	August 15, 1965
Lowest temperature	-0.7 °C	August 31, 2003
Highest daily low	18.3 °C	August 13, 1952
Lowest daily high	10.0 °C	August 29, 1965
Hottest average high temperature	22.4 °C	1955
Coldest average high temperature	16.1 °C	1968
Most daily precipitation	7.7 cm	August 16, 1952
Most monthly precipitation	20.9 cm	2023

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
August 1	20.3	10.7	29.4	3.3
August 2	20.3	10.6	25.7	4.4
August 3	20.3	10.6	29.0	3.3
August 4	20.3	10.6	26.9	3.0
August 5	20.2	10.6	30.6	5.0
August 6	20.2	10.5	27.0	4.5
August 7	20.2	10.5	29.6	3.3
August 8	20.1	10.4	30.2	3.7
August 9	20.1	10.4	27.1	4.9
August 10	20.0	10.3	26.4	4.9
August 11	20.0	10.2	25.6	6.1
August 12	19.9	10.1	27.8	3.9
August 13	19.9	10.0	28.4	4.4
August 14	19.8	9.9	29.2	4.4
August 15	19.7	9.8	31.1	3.7
August 16	19.5	9.8	29.1	2.8
August 17	19.4	9.6	26.5	3.2
August 18	19.4	9.5	26.3	1.7
August 19	19.3	9.3	26.4	1.8
August 20	19.2	9.2	26.7	3.3
August 21	19.0	9.1	26.7	1.7
August 22	18.9	8.9	27.8	1.9
August 23	18.8	8.8	30.5	2.0
August 24	18.6	8.6	24.6	1.7
August 25	18.5	8.5	26.1	1.0
August 26	18.3	8.3	27.8	0.1
August 27	18.2	8.2	26.7	0.6
August 28	18.0	8.0	27.2	1.4
August 29	17.9	7.8	26.1	1.1
August 30	17.7	7.7	25.0	-0.6
August 31	17.6	7.6	26.7	-0.7

Weather Station Details

Years	Station	Coordinates
2003–2024	Sept-Îles	location
1944–2002	Sept-Îles A	location