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Belleville September Weather

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

Typical Belleville September Weather 1991–2020
Average daily high	22.1 °C
Average daily low	12.0 °C
Average monthly precipitation	8.8 cm
Average monthly snow	none
Daily chance of precipitation	37.1%
Daily chance of snow	0%

Belleville September Weather Records 1866–2024
Highest temperature	35.0 °C	September 2, 1953
Lowest temperature	-1.7 °C	September 23, 1947
Highest daily low	23.9 °C	September 4, 1953
Lowest daily high	7.2 °C	September 29, 1963
Hottest average high temperature	25.1 °C	2017
Coldest average high temperature	18.5 °C	1956
Most daily precipitation	10.4 cm	September 9, 1869
Most monthly precipitation	20.3 cm	1996
Most daily snow	none	-
Most monthly snow	none	-

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	24.5	14.4	33.9	5.0
September 2	24.3	14.3	35.0	4.4
September 3	24.2	14.2	33.9	5.0
September 4	24.1	14.0	32.2	2.2
September 5	24.0	13.8	32.8	5.0
September 6	23.9	13.7	31.0	3.3
September 7	23.7	13.6	31.5	4.4
September 8	23.6	13.4	32.2	2.8
September 9	23.4	13.2	33.9	4.4
September 10	23.2	13.0	30.0	3.5
September 11	23.0	12.8	31.7	2.8
September 12	22.8	12.6	30.0	1.1
September 13	22.7	12.5	30.0	2.8
September 14	22.5	12.4	31.1	0.6
September 15	22.2	12.1	31.1	1.7
September 16	22.0	11.9	31.1	1.7
September 17	21.7	11.7	28.3	0.0
September 18	21.5	11.5	32.0	0.0
September 19	21.3	11.3	28.9	0.0
September 20	21.0	11.1	28.5	0.5
September 21	20.7	10.9	30.0	-1.1
September 22	20.5	10.6	29.0	-1.1
September 23	20.2	10.4	29.0	-1.7
September 24	20.0	10.2	32.0	-0.6
September 25	19.8	10.0	33.0	-1.1
September 26	19.6	9.9	31.0	-1.1
September 27	19.4	9.7	29.5	-1.0
September 28	19.2	9.4	27.8	-0.6
September 29	19.0	9.2	27.2	-1.1
September 30	18.8	9.0	26.7	-1.1

Weather Station Details

Years	Station	Coordinates
1866–2024	Belleville	location