Weather in Oceanside, California, United States in September
In an average September, Oceanside sees a daily high around 76°F and a low around 66°F, based on 1981–2026 of local climate records.
| Average high | 76°F |
|---|---|
| Typical high range | 69°F to 83°F |
| Average low | 66°F |
| Typical low range | 61°F to 71°F |
| Average daily precipitation | 0.00 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
96°F
1988-09-03
Lowest
65°F
1999-09-18
Low
Highest
79°F
1988-09-04
Lowest
57°F
1999-09-19
Feels-like
Highest
107°F
1988-09-03
Lowest
57°F
1999-09-19
Humidity
Highest
19.0 g/m³
2022-09-05
Lowest
8.5 g/m³
1999-09-29
Wind
Highest
20 mph
2022-09-09
Lowest
5 mph
2010-09-27
Precip
Wettest
1.45 in
2015
Driest
0.00 in
2020
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