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Monterey September Weather

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

Typical Monterey September Weather 1991–2020
Average daily high	70.8 °F
Average daily low	53.4 °F
Average monthly precipitation	0.1 inches
Average monthly snow	none
Daily chance of precipitation	5.1%
Daily chance of snow	0%

Monterey September Weather Records 1906–2024
Highest temperature	104 °F	September 2, 2017
Lowest temperature	41 °F	September 25, 1942
Highest daily low	69 °F	September 3, 2017
Lowest daily high	56 °F	September 12, 2010
Hottest average high temperature	79.5 °F	1958
Coldest average high temperature	63.8 °F	2012
Most daily precipitation	1.6 inches	September 18, 1959
Most monthly precipitation	3.1 inches	1959
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	69.7	53.8	94	47
September 2	69.7	53.8	104	46
September 3	69.8	53.8	95	46
September 4	70.0	53.7	98	48
September 5	70.2	53.7	94	48
September 6	70.3	53.7	94	46
September 7	70.4	53.6	92	46
September 8	70.4	53.6	95	47
September 9	70.6	53.5	92	45
September 10	70.7	53.5	89	44
September 11	70.7	53.5	97	47
September 12	70.7	53.5	98	44
September 13	70.7	53.5	94	43
September 14	70.8	53.5	101	44
September 15	70.8	53.4	92	46
September 16	70.8	53.4	89	47
September 17	70.8	53.4	91	47
September 18	70.8	53.4	87	46
September 19	70.8	53.3	90	44
September 20	70.8	53.3	92	47
September 21	70.7	53.2	89	46
September 22	70.6	53.2	95	48
September 23	70.7	53.2	97	46
September 24	70.9	53.1	99	45
September 25	70.9	53.1	95	41
September 26	70.8	53.0	99	44
September 27	70.8	52.9	101	47
September 28	70.9	52.8	97	46
September 29	71.1	52.7	98	47
September 30	71.3	52.7	93	43

Weather Station Details

Years	Station	Coordinates
1906–2024	Monterey	location