< Previous Month Next Month >

North Bay September Weather

Averages and records for weather in North Bay, Ontario in the month of September.

Typical North Bay September Weather 1991–2020
Average daily high	18.3 °C
Average daily low	8.5 °C
Average monthly precipitation	11.0 cm
Average monthly snow	0.1 cm
Daily chance of precipitation	45.8%
Daily chance of snow	0.48%

North Bay September Weather Records 1887–2024
Highest temperature	35.2 °C	September 16, 2015
Lowest temperature	-4.5 °C	September 27, 1989
Highest daily low	22.2 °C	September 9, 1897
Lowest daily high	2.8 °C	September 27, 1944
Hottest average high temperature	25.3 °C	1897
Coldest average high temperature	14.1 °C	1956
Most daily precipitation	7.1 cm	September 28, 1999
Most monthly precipitation	23.6 cm	1947
Most daily snow	4.6 cm	September 30, 1956
Most monthly snow	5.1 cm	1956

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	21.3	11.0	31.7	1.7
September 2	21.2	10.8	30.5	0.0
September 3	21.1	10.7	33.3	0.6
September 4	21.0	10.5	31.1	0.0
September 5	20.8	10.3	31.1	1.1
September 6	20.6	10.2	30.0	0.6
September 7	20.5	10.0	29.4	-1.0
September 8	20.3	9.9	30.5	1.1
September 9	20.0	9.6	30.3	0.0
September 10	19.8	9.4	30.0	-0.6
September 11	19.6	9.1	31.7	0.0
September 12	19.4	9.0	32.2	0.6
September 13	19.2	8.9	29.4	-1.1
September 14	19.0	8.7	29.4	-0.6
September 15	18.7	8.5	31.1	-1.7
September 16	18.4	8.2	35.2	-1.4
September 17	18.2	8.1	29.3	-2.2
September 18	17.9	7.8	28.3	-2.2
September 19	17.7	7.7	28.9	-1.8
September 20	17.5	7.5	28.3	-2.2
September 21	17.2	7.2	26.1	-1.1
September 22	16.9	6.9	27.8	-2.8
September 23	16.7	6.7	27.8	-4.4
September 24	16.5	6.5	26.6	-1.7
September 25	16.3	6.3	26.7	-3.9
September 26	16.1	6.1	27.8	-2.8
September 27	15.9	5.9	26.7	-4.5
September 28	15.6	5.7	27.4	-3.9
September 29	15.4	5.5	26.7	-2.8
September 30	15.2	5.3	23.9	-4.4

Weather Station Details

Years	Station	Coordinates
1939–2024	North Bay A	location
1887–1938	North Bay	location