Weather in Chula Vista in September
In an average September, Chula Vista sees a daily high around 83°F and a low around 63°F, based on 1980–2026 of local climate records.
| Average high | 83°F |
|---|---|
| Typical high range | 73°F to 92°F |
| Average low | 63°F |
| Typical low range | 56°F to 70°F |
| Average daily precipitation | 0.00 in |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
108°F
2020-09-05
Lowest
61°F
1986-09-23
Low
Highest
85°F
2022-09-04
Lowest
46°F
2019-09-30
Feels-like
Highest
123°F
1984-09-04
Lowest
42°F
2019-09-30
Humidity
Highest
18.9 g/m³
2026-09-07
Lowest
2.5 g/m³
2004-09-22
Wind
Highest
18 mph
1988-09-04
Lowest
4 mph
1998-09-02
Gust
Highest
51 mph
2022-09-09
Lowest
14 mph
2025-09-22
Precip
Wettest
2.57 in
1997
Driest
0.00 in
2020
See Chula Vista's live weather grade →
Visiting Chula Vista in September? See how its comfort stacks up against where you live.
Compare Chula Vista with your city →