As of 08:20 PDT

Chula Vista, CA weather in September

71°

Chula Vista, Sunday, 9 August, 08:20

Mostly clear. Feels like 72°. High 87°, low 71°.

Pressure29.88 inHg

Wind1 mph N

Humidity90%

Visibility6.2 mi

Dew point69°

See detailed hourly forecast

In September, Chula Vista, CA averages a high of 77.5° and a low of 63.3°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 104.4° (2020) and the record low 52° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	79.2°	64.8°	3%	94.5° (2017)	57.2° (1964)
2	79.3°	65.5°	3%	93.4° (2017)	58.3° (1999)
3	79.5°	65.7°	3%	99.1° (1988)	57.4° (1973)
4	80.1°	65.5°	3%	100° (1988)	57.6° (1999)
5	80.4°	65.5°	2%	99.3° (2020)	57.7° (1970)
6	80.1°	65.7°	7%	100.4° (2020)	56.3° (1973)
7	79.9°	65.5°	3%	98.8° (2024)	57.2° (1964)
8	79.3°	65.1°	3%	101.5° (2024)	54.5° (1965)
9	78.6°	64.9°	3%	94.6° (2024)	54.9° (1961)
10	77.9°	64.4°	5%	92.7° (2020)	56.1° (1975)
11	77.2°	63.7°	5%	91.4° (2021)	53.6° (1975)
12	76.8°	63.1°	2%	91° (1971)	52.7° (1985)
13	75.9°	62.8°	0%	91.9° (1971)	56.8° (1972)
14	76.5°	62.6°	3%	92.5° (2012)	55.4° (1994)
15	76.5°	62.6°	5%	93.4° (2020)	55.2° (1970)
16	76.3°	63°	3%	97.7° (2020)	56.3° (1970)
17	76.3°	62.6°	5%	96.6° (2020)	55.6° (1973)
18	75.7°	62.1°	3%	92.7° (2020)	55° (1993)
19	75.2°	62.1°	7%	86.4° (1979)	53.1° (1978)
20	75.2°	61.9°	8%	90.9° (2015)	53.2° (1965)
21	76.1°	61.3°	3%	89.1° (2021)	53.6° (1965)
22	77.2°	62.1°	8%	91.4° (2021)	53.8° (1988)
23	77.9°	62.2°	5%	98.6° (1975)	54.9° (1961)
24	77.7°	62.2°	2%	94.5° (1978)	54.9° (1961)
25	77°	62.2°	3%	94.8° (1963)	56.1° (2005)
26	76.3°	62.4°	10%	101.7° (1963)	55.8° (1971)
27	76.5°	62.6°	2%	95° (1963)	54.9° (1971)
28	76.5°	61.7°	0%	93.9° (1963)	53.2° (1971)
29	76.5°	62.2°	7%	96.3° (2020)	52° (1965)
30	77°	62.4°	5%	104.4° (2020)	52.2° (2019)