Weather · September
Santa Clara weather in September
Average highs of 81°F, lows of 57°F and 0.10 in of rain, from 30 years of weather records.
September is Santa Clara’s 3rd warmest month, with average highs of 81°F and lows of 57°F. That is 1° cooler than August, and 9° above the yearly average high.
- Average high
- 81°F
- Average low
- 57°F
- Precipitation
- 0.10 in
- Wet days
- 1
- Sunrise · sunset
- 6:49 AM · 7:16 PM
What to wear in September
- Warm days: shorts and T-shirts, with a light layer for cooler evenings.
What September weather is good for
What’s on in Santa Clara in September
Guides for this month: Halloween in Santa Clara.
See all upcoming events.
September compared with the months around it
Planning a trip? See the best time to visit Santa Clara and today’s forecast.
Questions
How hot does it get in Santa Clara in September?
Average highs are 81°F and average lows 57°F, for a daily mean of 69°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Santa Clara in September?
September averages 0.10 in of precipitation over about 1 days with at least 0.01 in. It is the 11th wettest month of the year.
What time is sunset in Santa Clara in September?
Around mid-September the sun rises about 6:49 AM and sets about 7:16 PM, for roughly 12.5 hours of daylight.
Is September a good time to visit Santa Clara?
Yes. September is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, San Jose station (2.5 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.