Oxnard weather in September: Oxnard, California: normal highs, lows, rain and records for September
Oxnard in September has a normal high of 74°F and a normal low of 60°F, a daily mean of 67°F, holding near 74°F all month. Measurable precipitation falls on 2 days in a normal September, 0.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 15°C, 2 mm of precipitation in September.
- NOAA stationOxnard Ventura County Airport
- Station IDUSW00093110
- Location34.20°N 119.21°W
- Elevation36 ft (11 m)
- From the centerunder 1 mile
- Population200,616
- Jan 66° 46°
- Feb 65° 48°
- Mar 66° 49°
- Apr 67° 51°
- May 68° 54°
- Jun 70° 58°
- Jul 73° 61°
- Aug 74° 61°
- Sep 74° 60°
- Oct 74° 55°
- Nov 70° 50°
- Dec 66° 47°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oxnard in September?
The normal high is 74°F and the normal low 60°F, for a daily mean of 66.6°F. September is 0.5°F cooler than August and 2.1°F warmer than October. September is the 3rd warmest month of the year in Oxnard and the 9th wettest. Across the month the normal high rises 1°F, from 73°F on September 1 to 74°F on September 30. From one year to the next September's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 65°F and 69°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 11%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 73°F | 61°F | 5% | 0% |
| September 8 | 73°F | 60°F | 6% | 0% |
| September 15 | 74°F | 60°F | 7% | 1% |
| September 22 | 74°F | 59°F | 9% | 1% |
| September 30 | 74°F | 58°F | 11% | 2% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 28, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 73°F | 61°F | 5% | 0% | 13 h |
| September 2 | 73°F | 61°F | 5% | 0% | 12 h 50 min |
| September 3 | 73°F | 60°F | 5% | 0% | 12 h 50 min |
| September 4 | 73°F | 60°F | 5% | 0% | 12 h 50 min |
| September 5 | 73°F | 60°F | 6% | 0% | 12 h 50 min |
| September 6 | 73°F | 60°F | 6% | 0% | 12 h 50 min |
| September 7 | 73°F | 60°F | 6% | 0% | 12 h 40 min |
| September 8 | 73°F | 60°F | 6% | 0% | 12 h 40 min |
| September 9 | 73°F | 60°F | 6% | 1% | 12 h 40 min |
| September 10 | 73°F | 60°F | 6% | 1% | 12 h 40 min |
| September 11 | 73°F | 60°F | 7% | 1% | 12 h 30 min |
| September 12 | 73°F | 60°F | 7% | 1% | 12 h 30 min |
| September 13 | 74°F | 60°F | 7% | 1% | 12 h 30 min |
| September 14 | 74°F | 60°F | 7% | 1% | 12 h 30 min |
| September 15 | 74°F | 60°F | 7% | 1% | 12 h 30 min |
| September 16 | 74°F | 60°F | 8% | 1% | 12 h 20 min |
| September 17 | 74°F | 60°F | 8% | 1% | 12 h 20 min |
| September 18 | 74°F | 60°F | 8% | 1% | 12 h 20 min |
| September 19 | 74°F | 60°F | 8% | 1% | 12 h 20 min |
| September 20 | 74°F | 60°F | 9% | 1% | 12 h 20 min |
| September 21 | 74°F | 59°F | 9% | 1% | 12 h 10 min |
| September 22 | 74°F | 59°F | 9% | 1% | 12 h 10 min |
| September 23 | 74°F | 59°F | 9% | 1% | 12 h 10 min |
| September 24 | 74°F | 59°F | 9% | 1% | 12 h 10 min |
| September 25 | 74°F | 59°F | 10% | 1% | 12 h 10 min |
| September 26 | 74°F | 59°F | 10% | 1% | 12 h |
| September 27 | 74°F | 59°F | 10% | 1% | 12 h |
| September 28 | 74°F | 59°F | 10% | 2% | 12 h |
| September 29 | 74°F | 58°F | 11% | 2% | 12 h |
| September 30 | 74°F | 58°F | 11% | 2% | 11 h 50 min |
- Normal high
- 74°FSeptember average
- Normal low
- 60°FSeptember average
- Precipitation
- 0.08 inmonth total
- Days with precipitation
- 20.01 inch or more
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 23
- Days at 80°F or more
- 3
- Sunshine
- 92%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093110; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Oxnard in September?
On a given September day the chance of 0.01 inch or more is 8% on average, highest around September 30 (11%). In all, 0.08 in falls on 2 days of a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093110.
What are the records for September in Oxnard?
The warmest September temperature on Oxnard's official record (since 1923) is 105°F, on September 26, 2016; the coldest is 40°F, on September 6, 1933. The wettest September brought 5.55 in (1976).
The September mean against the 1991-2020 normal of 66.6°F: 2021 65.2°F (−1.4), 2022 70.5°F (+3.9), 2023 67.0°F (+0.4), 2024 66.5°F (−0.1), 2025 68.6°F (+2.0), 2026 70.4°F (+3.8). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.2°F | −1.4°F | 0.00 in |
| 2022 | 70.5°F | +3.9°F | 0.39 in |
| 2023 | 67.0°F | +0.4°F | 0.04 in |
| 2024 | 66.5°F | −0.1°F | 0.00 in |
| 2025 | 68.6°F | +2.0°F | 0.38 in |
| 2026 | 70.4°F | +3.8°F | 0.31 in |
Source: records: ACIS, NWS threaded record LOXthr; recent months: ACIS, station USW00093110. Records and recent months use complete months only.
How does September in Oxnard compare across California?
Across the 219 places PlainClimate covers in California, September normal highs run from 64°F in Eureka to 104°F in Brawley; Oxnard's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.