As of 03:56 PDT

Gilroy, CA weather in September

57°

Gilroy, Sunday, 9 August, 03:56

Clear. Feels like 57°. High 91°, low 57°.

Pressure29.85 inHg

Wind1 mph N

Humidity94%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In September, Gilroy, CA averages a high of 78.9° and a low of 57.8°. About 0.2 inches of precipitation fall over the month (1 wet days). The record high is 111.6° (2022) and the record low 46.6° (2019). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.3°	58.6°	0%	106.2° (2017)	51.1° (1973)
2	80.8°	59.5°	0%	107.8° (2017)	50.7° (1964)
3	80.4°	58.6°	0%	97° (2022)	51.8° (2021)
4	80.4°	58.8°	0%	96.6° (2022)	52.3° (1960)
5	81.9°	59.2°	2%	111.6° (2022)	50.4° (1965)
6	81.5°	59.4°	0%	110.8° (2020)	51.4° (2001)
7	81.7°	59.5°	0%	110.8° (2020)	51.8° (1971)
8	80.6°	59°	2%	108.9° (2022)	52.2° (2002)
9	78.8°	58.3°	0%	96.8° (2022)	50.5° (2014)
10	78.6°	57.6°	3%	96.8° (2015)	51.3° (1991)
11	79.3°	58.1°	2%	96.3° (1983)	50.5° (2018)
12	78.4°	57.9°	0%	96.1° (2019)	49.3° (1985)
13	77.7°	57.9°	0%	99.9° (2019)	48.9° (1970)
14	76.6°	57.2°	2%	100.6° (1971)	49.5° (1970)
15	76.5°	56.8°	0%	93° (1971)	50.7° (1980)
16	76.5°	56.5°	5%	91.4° (2025)	49.8° (2018)
17	77°	57°	3%	94.6° (1984)	50.7° (1977)
18	77°	57.4°	2%	93.2° (1984)	51.3° (1978)
19	77.4°	57.6°	5%	90.5° (2000)	49.8° (1978)
20	78.4°	56.7°	2%	94.6° (2015)	48.7° (2007)
21	78.6°	57.2°	3%	95.9° (2021)	52° (1960)
22	78.4°	56.7°	5%	91.2° (2003)	48.7° (2017)
23	80.2°	57°	5%	98.2° (2024)	49.6° (2017)
24	79.3°	57.6°	5%	96.4° (1978)	48.2° (2018)
25	78.6°	57.7°	7%	97.2° (2019)	49.1° (2018)
26	79°	57.7°	2%	97.3° (2016)	49.8° (1988)
27	78.8°	57.4°	2%	97.2° (2010)	50.5° (1998)
28	78.3°	57.9°	3%	99° (2020)	50.9° (1971)
29	77.5°	57.4°	3%	93.6° (1978)	46.6° (2019)
30	77.9°	57.2°	3%	100.8° (2020)	47.8° (1971)