As of 00:05 PDT

Mountain View, CA weather in September

62°

Mountain View, Sunday, 9 August, 00:05

Clear. Feels like 62°. High 89°, low 62°.

Pressure29.85 inHg

Wind3 mph NW

Humidity86%

Visibility6.2 mi

Dew point57°

See detailed hourly forecast

In September, Mountain View, CA averages a high of 78.8° and a low of 59°. About 0.2 inches of precipitation fall over the month (1 wet days). The record high is 111.6° (2022) and the record low 48.9° (2019). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.1°	59°	2%	104.5° (2017)	52.3° (1973)
2	80.8°	60.1°	2%	105.6° (2017)	51.8° (1970)
3	80.4°	59.5°	0%	97.9° (2017)	52.9° (1970)
4	80.4°	59.4°	0%	95° (2008)	51.4° (1960)
5	81.1°	59.5°	0%	97.5° (2022)	52.9° (1996)
6	81.3°	59.9°	0%	111.6° (2022)	52.7° (2001)
7	81.7°	60.4°	0%	100.4° (2020)	53.2° (1978)
8	80.2°	59.7°	2%	100° (1984)	52.2° (1961)
9	78.6°	59.2°	5%	96.6° (2015)	51.3° (2018)
10	78.8°	58.6°	3%	95.5° (2015)	52° (1972)
11	79.3°	59.2°	2%	99° (1979)	52.5° (1985)
12	78.6°	59°	0%	100° (1979)	51.6° (1966)
13	77.9°	59°	2%	103.3° (1971)	49.5° (1970)
14	76.6°	58.3°	3%	106.9° (1971)	51.4° (1980)
15	75.9°	57.7°	0%	100° (1971)	51.3° (2006)
16	76.5°	57.4°	8%	91.4° (1984)	52.9° (2018)
17	77°	57.9°	2%	99.1° (1984)	51.4° (2024)
18	77°	58.8°	7%	97.3° (1984)	50.2° (1978)
19	77.7°	58.8°	3%	94.3° (2000)	50° (2018)
20	78.8°	58.6°	2%	96.4° (2015)	50.9° (1968)
21	78.8°	59°	5%	96.8° (2003)	52.3° (1960)
22	78.1°	58.3°	2%	94.3° (2003)	50.2° (2017)
23	79.2°	58.5°	3%	93.9° (1978)	51.4° (2023)
24	79.2°	59.4°	5%	97.7° (1978)	49.8° (1981)
25	79°	59.5°	7%	95.9° (1963)	50.5° (2023)
26	78.6°	59.4°	0%	98.1° (1963)	51.6° (2013)
27	78.4°	59.4°	5%	97.5° (2010)	51.6° (1982)
28	78.3°	59.4°	5%	98.2° (2020)	51.1° (1971)
29	78.1°	58.6°	3%	93.9° (1978)	48.9° (2019)
30	77.4°	59.2°	10%	95.7° (1980)	49.8° (1971)