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Stockton September Weather

Averages and records for weather in Stockton, California in the month of September.

Typical Stockton September Weather 1991–2020
Average daily high	89.5 °F
Average daily low	57.1 °F
Average monthly precipitation	0.1 inches
Daily chance of precipitation	2.2%

Stockton September Weather Records 1893–2024
Highest temperature	115 °F	September 6, 2022
Lowest temperature	41 °F	September 28, 1931
Highest daily low	77 °F	September 8, 2022
Lowest daily high	61 °F	September 23, 1901
Hottest average high temperature	95.1 °F	1979
Coldest average high temperature	76.8 °F	1893
Most daily precipitation	3.1 inches	September 13, 1918
Most monthly precipitation	3.7 inches	1918

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	91.7	58.8	109	48
September 2	91.5	58.7	110	48
September 3	91.3	58.6	109	50
September 4	91.2	58.5	105	49
September 5	91.1	58.4	112	49
September 6	91.0	58.3	115	49
September 7	90.9	58.2	111	46
September 8	90.7	58.1	112	47
September 9	90.6	58.0	106	46
September 10	90.5	57.9	108	47
September 11	90.3	57.7	103	48
September 12	90.1	57.6	108	48
September 13	90.0	57.4	105	45
September 14	89.8	57.3	104	47
September 15	89.6	57.2	106	46
September 16	89.4	57.0	105	48
September 17	89.0	56.9	101	47
September 18	88.7	56.7	102	45
September 19	88.4	56.5	102	46
September 20	88.0	56.3	101	46
September 21	87.6	56.0	102	46
September 22	87.2	55.8	102	43
September 23	87.0	55.6	101	45
September 24	86.8	55.4	99	46
September 25	86.5	55.2	100	44
September 26	86.2	55.0	100	45
September 27	85.9	54.8	100	46
September 28	85.6	54.5	102	41
September 29	85.4	54.3	102	45
September 30	85.3	54.2	100	42

Weather Station Details

Years	Station	Coordinates
1948–2024	Stockton Metro Airport	location
1893–1948	Stockton	location