Click on a day for an hourly weather forecast
The temperatures in Oxnard in September are comfortable with low of 18°C and and high up to 24°C.
As it is almost never rain during September in Oxnard the weather is perfect for hanging out outside and exploring all that Oxnard has to offer.
Our weather forecast can give you a great sense of what weather to expect in Oxnard in September 2025.
If you’re planning to visit Oxnard in the near future, we highly recommend that you review the 14 day weather forecast for Oxnard before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 11° | 3 | 28 | 0 | 68 mm | Good | Oxnard in January |
| February | 17° / 10° | 3 | 26 | 0 | 58 mm | Good | Oxnard in February |
| March | 17° / 11° | 2 | 29 | 0 | 52 mm | Good | Oxnard in March |
| April | 18° / 12° | 1 | 29 | 0 | 20 mm | Good | Oxnard in April |
| May | 19° / 13° | 1 | 30 | 0 | 13 mm | Good | Oxnard in May |
| June | 21° / 16° | 0 | 30 | 0 | 9 mm | Good | Oxnard in June |
| July | 23° / 18° | 1 | 30 | 0 | 21 mm | Perfect | Oxnard in July |
| August | 24° / 18° | 0 | 31 | 0 | 9 mm | Perfect | Oxnard in August |
| September | 24° / 18° | 0 | 30 | 0 | 13 mm | Perfect | Oxnard in September |
| October | 23° / 16° | 1 | 30 | 0 | 17 mm | Perfect | Oxnard in October |
| November | 21° / 13° | 1 | 29 | 0 | 24 mm | Good | Oxnard in November |
| December | 17° / 11° | 2 | 29 | 0 | 59 mm | Good | Oxnard in December |