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Santa Cruz September Weather

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

Typical Santa Cruz September Weather 1991–2020
Average daily high	75.5 °F
Average daily low	53.2 °F
Average monthly precipitation	0.1 inches
Average monthly snow	none
Daily chance of precipitation	3.8%
Daily chance of snow	0%

Santa Cruz September Weather Records 1893–2022
Highest temperature	110 °F	September 3, 2017
Lowest temperature	30 °F	September 13, 1921
Highest daily low	70 °F	September 3, 2017
Lowest daily high	57 °F	September 25, 1929
Hottest average high temperature	88.1 °F	1924
Coldest average high temperature	67.1 °F	1929
Most daily precipitation	3.2 inches	September 12, 1918
Most monthly precipitation	6.6 inches	1918
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	75.1	54.4	105	40
September 2	75.2	54.3	107	39
September 3	75.2	54.2	110	42
September 4	75.4	54.1	98	41
September 5	75.4	54.0	94	42
September 6	75.4	53.9	104	40
September 7	75.4	53.8	108	41
September 8	75.4	53.7	107	40
September 9	75.5	53.6	101	40
September 10	75.6	53.5	95	37
September 11	75.6	53.5	101	40
September 12	75.6	53.5	102	41
September 13	75.7	53.4	103	30
September 14	75.6	53.3	107	38
September 15	75.6	53.2	102	38
September 16	75.5	53.2	101	39
September 17	75.4	53.1	106	39
September 18	75.4	53.0	98	40
September 19	75.3	52.9	98	40
September 20	75.1	52.8	103	39
September 21	74.9	52.7	100	39
September 22	74.8	52.6	104	39
September 23	74.9	52.5	97	38
September 24	75.1	52.4	102	39
September 25	75.0	52.3	100	37
September 26	74.9	52.2	101	36
September 27	74.8	52.1	103	35
September 28	74.8	51.9	100	35
September 29	74.8	51.7	98	36
September 30	74.8	51.6	98	37

Weather Station Details

Years	Station	Coordinates
1893–2022	Santa Cruz	location