Weather · September
Santa Ana weather in September
Average highs of 84°F, lows of 64°F and 0.10 in of rain, from 30 years of weather records.
September is Santa Ana’s 2nd warmest month, with average highs of 84°F and lows of 64°F. That is 1° cooler than August, and 8° above the yearly average high.
- Average high
- 84°F
- Average low
- 64°F
- Precipitation
- 0.10 in
- Wet days
- 1
- Sunrise · sunset
- 6:34 AM · 6:59 PM
What to wear in September
- Warm days: shorts and T-shirts.
What September weather is good for
What’s on in Santa Ana in September
Guides for this month: Halloween in Santa Ana.
See all upcoming events and school days off.
September compared with the months around it
Planning a trip? See the best time to visit Santa Ana and today’s forecast.
Questions
How hot does it get in Santa Ana in September?
Average highs are 84°F and average lows 64°F, for a daily mean of 74°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Santa Ana in September?
September averages 0.10 in of precipitation over about 1 days with at least 0.01 in. It is the 10th wettest month of the year.
What time is sunset in Santa Ana in September?
Around mid-September the sun rises about 6:34 AM and sets about 6:59 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Santa Ana?
The mildest months for visiting are June, July, August. September is warm, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Santa Ana Fire Stn station (0.1 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.