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Kingston September Weather

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

Typical Kingston September Weather 1991–2020
Average daily high	20.8 °C
Average daily low	11.3 °C
Average monthly precipitation	8.8 cm
Daily chance of precipitation	35.0%

Kingston September Weather Records 1872–2024
Highest temperature	33.3 °C	September 6, 1881
Lowest temperature	-1.7 °C	September 23, 1896
Highest daily low	24.4 °C	September 4, 1953
Lowest daily high	8.3 °C	September 30, 1888
Hottest average high temperature	25.7 °C	1881
Coldest average high temperature	17.2 °C	1918
Most daily precipitation	12.9 cm	September 14, 1979
Most monthly precipitation	18.1 cm	1981

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	23.3	13.7	28.9	5.5
September 2	23.1	13.6	30.6	3.9
September 3	23.0	13.4	30.8	4.4
September 4	22.9	13.3	32.2	4.5
September 5	22.7	13.1	30.6	5.2
September 6	22.6	13.0	33.3	4.4
September 7	22.5	12.8	32.8	4.2
September 8	22.3	12.6	29.5	4.3
September 9	22.2	12.5	29.0	2.2
September 10	22.0	12.2	30.0	2.2
September 11	21.8	12.0	31.1	2.8
September 12	21.6	11.9	28.0	2.8
September 13	21.5	11.7	27.8	3.6
September 14	21.3	11.6	28.0	1.1
September 15	21.0	11.4	27.8	2.2
September 16	20.8	11.2	27.6	2.5
September 17	20.5	11.0	28.3	0.6
September 18	20.3	10.8	26.1	0.0
September 19	20.1	10.6	26.7	-0.3
September 20	19.9	10.4	28.0	0.8
September 21	19.6	10.2	27.2	0.0
September 22	19.3	10.0	28.9	-1.1
September 23	19.1	9.7	26.7	-1.7
September 24	18.9	9.5	26.7	1.0
September 25	18.7	9.4	27.2	0.6
September 26	18.5	9.2	27.8	-0.6
September 27	18.3	9.0	28.6	-1.0
September 28	18.1	8.7	27.8	-1.1
September 29	17.9	8.5	26.1	-1.1
September 30	17.7	8.4	26.1	-1.3

Weather Station Details

Years	Station	Coordinates
2008–2024	Kingston Climate	location
1997–2007	Kingston Pumping Station	location
1957–1996	Kingston A	location
1872–1956	Kingston Queens University	location