As of 05:13 PDT

Grover Beach, CA weather in September

60°

Grover Beach, Sunday, 9 August, 05:13

Mostly clear. Feels like 60°. High 75°, low 60°.

Pressure29.88 inHg

Wind1 mph E

Humidity93%

Visibility6.2 mi

Dew point57°

See detailed hourly forecast

In September, Grover Beach, CA averages a high of 73.3° and a low of 59.1°. About 0.2 inches of precipitation fall over the month (1 wet days). The record high is 106° (2024) and the record low 47.8° (2024). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	74.3°	59.7°	0%	88.2° (2022)	51.4° (2024)
2	74.1°	60.3°	2%	101.8° (2017)	52.7° (2024)
3	74.1°	60.1°	0%	93.2° (1988)	51.8° (2024)
4	74.3°	60.1°	3%	93.2° (1988)	52.7° (2024)
5	75.2°	60.3°	3%	102.6° (2024)	54° (2016)
6	75.4°	60.4°	2%	106° (2024)	54.7° (2021)
7	74.5°	59.7°	0%	100.6° (2020)	51.8° (2025)
8	73.6°	59.7°	0%	88.7° (2024)	53.4° (1961)
9	73.4°	59.9°	2%	88.3° (1984)	53.2° (2024)
10	72.7°	59.4°	3%	87.3° (1983)	53.1° (2018)
11	72.7°	59°	5%	89.1° (1983)	52° (2024)
12	72.1°	58.8°	2%	89.2° (1971)	51.4° (2018)
13	71.8°	58.6°	0%	89.2° (1971)	50.4° (2018)
14	72°	58.3°	3%	85.8° (1971)	51.1° (1970)
15	71.8°	58.6°	2%	87.3° (1979)	50.7° (1980)
16	71.8°	58.5°	3%	87.1° (1979)	52.7° (2018)
17	72.3°	58.1°	5%	85.5° (1984)	47.8° (2024)
18	72.5°	58.3°	3%	83.5° (1984)	52.3° (1977)
19	72.5°	58.5°	2%	85.3° (2015)	52.3° (2018)
20	72.9°	58.3°	2%	86.2° (1987)	50° (2007)
21	72.9°	58.6°	7%	90.3° (2015)	51.8° (2007)
22	73°	58.6°	5%	84.7° (1989)	50.7° (2023)
23	73.8°	58.6°	3%	88.7° (1978)	49.5° (2017)
24	74.1°	59°	3%	92.7° (1978)	50.9° (2018)
25	73.6°	59°	3%	91.4° (1968)	49.8° (2018)
26	73.8°	59°	3%	91.2° (2016)	50.2° (1986)
27	73.6°	59.2°	2%	95.5° (2010)	50.4° (2018)
28	73.2°	59°	5%	89.1° (1963)	52.5° (1986)
29	72.9°	58.6°	5%	87.1° (1980)	48.2° (2019)
30	73.6°	58.6°	7%	93.6° (1980)	48.9° (2019)