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Colusa September Weather

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

Typical Colusa September Weather 1991–2020
Average daily high	89.8 °F
Average daily low	54.9 °F
Average monthly precipitation	0.1 inches
Average monthly snow	none
Daily chance of precipitation	1.6%
Daily chance of snow	0%

Colusa September Weather Records 1893–2024
Highest temperature	114 °F	September 7, 2022
Lowest temperature	34 °F	September 5, 2021
Highest daily low	79 °F	September 7, 2020
Lowest daily high	57 °F	September 30, 1930
Hottest average high temperature	95.4 °F	1947
Coldest average high temperature	77.6 °F	1925
Most daily precipitation	2.2 inches	September 17, 1989
Most monthly precipitation	3.2 inches	1912
Most daily snow	none	-
Most monthly snow	none	-

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	91.4	57.0	109	46
September 2	91.2	56.8	112	48
September 3	91.0	56.6	110	48
September 4	90.9	56.5	110	34
September 5	90.8	56.4	108	34
September 6	90.8	56.2	112	47
September 7	90.7	56.1	114	43
September 8	90.6	56.0	108	41
September 9	90.4	55.8	110	35
September 10	90.3	55.7	110	36
September 11	90.2	55.6	107	42
September 12	90.1	55.4	103	45
September 13	90.0	55.3	108	43
September 14	89.9	55.2	106	44
September 15	89.8	55.0	103	43
September 16	89.7	54.8	103	45
September 17	89.4	54.6	102	44
September 18	89.1	54.4	103	42
September 19	88.7	54.2	104	35
September 20	88.4	54.0	103	41
September 21	87.9	53.8	102	36
September 22	87.6	53.5	103	40
September 23	87.3	53.3	105	43
September 24	87.1	53.1	102	42
September 25	86.9	52.9	101	43
September 26	86.6	52.7	102	42
September 27	86.3	52.4	105	42
September 28	86.0	52.1	100	42
September 29	85.8	51.9	104	36
September 30	85.7	51.8	102	39

Weather Station Details

Years	Station	Coordinates
1948–2024	Colusa 2 SSW	location
1893–1948	Colusa BRG	location