Oxnard, CA weather in September
In September, Oxnard sees highs around 74°F and lows around 60°F: mild and dry. Expect about 2 wet days. Great for outdoor plans.
- Normal high
- 74°F
- Normal low
- 60°F
- Wet days
- 2
- 0.08 in total
- Muggy days
- 1
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 73°F | 74°F |
| Normal low | 61°F | 58°F |
| Chance of a wet day | 5% | 10% |
| Sunrise / sunset | 6:30 am / 7:23 pm | 6:50 am / 6:42 pm |
| Daylight | 12.9 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical September day
- 6 am60°Fdew point 55°F
- 9 am70°Fdew point 57°F
- Noon76°Fdew point 58°F
- 3 pm75°Fdew point 58°F
- 6 pm69°Fdew point 58°F
- 9 pm65°Fdew point 58°F
NOAA hourly normals (local standard time) from Camarillo Airport (6 mi away); average wind 5 mph; clear or few clouds in 69% of daytime hours, mostly cloudy or overcast in 21%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F19 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph2 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more1 of 30
- Wet daysat least 0.01 in of rain or melted snow2 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 0.08 in; a dry September brings about 0.0 in and a wet one about 0.05 in (25th and 75th percentiles). Days with half an inch or more are rare.
How September varies from year to year
- Warmest September, 1991-20202015: average high 80°F
- Coolest September2003: average high 70°F
- Wettest September2015: 0.7 in
- Driest September2001: no measurable precipitation
- Highest reading95°F (September 3, 2017)
- Lowest reading50°F (September 29, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 74°F | 74°F | 74°F |
| Normal low | 61°F | 60°F | 55°F |
| Wet days | 1 | 2 | 5 |
| Comfortable days | 17 | 19 | 21 |
| Daylight | 13.4 h | 12.4 h | 11.3 h |
Highs change by 0°F from August and 0°F into October.
Nearby alternatives in September
- Warmer: Santa Clarita, CA39 mi · high 94°F · 1 wet day
How Oxnard ranks in September
- Normal high309th warmest of 378 cities; 54th of 60 in California
- Wet days64th driest of 378
- Comfortable days21st most of 342
Heating and cooling
September has 20 heating degree days and 68 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Oxnard in September?
The normal high is 74°F and the normal low is 60°F. From 1991 to 2020 the hottest September reading was 95°F (September 3, 2017).
Does it rain a lot in Oxnard in September?
About 2 days in September have at least 0.01 in of precipitation, and the normal total is 0.08 in. The wettest September in 1991-2020 was in 2015 (0.7 in); the driest was in 2001, with no measurable precipitation.
Is September a good time to visit Oxnard?
September ranks 4th of 12 months on our comfort score for Oxnard (78 out of 100). It has about 19 comfortable days. The best month is June.
Where the numbers come from
- Temperature and rain: Oxnard Ventura Co Airport (USW00093110), 1.7 mi W of the city center, 36 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Ojai (USC00046399), 18 mi N of the city center, 745 ft (693 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Camarillo Airport (USW00023136), 5.5 mi ENE of the city center, 77 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Santa Barbara Muni Airport (USW00023190), 41 mi WNW of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Point Mugu (723910-93111), 6.0 mi SSE of the city center, 12 ft . Hourly observations, 1991-2020.