A DRIVE AROUND TOWN
A recorded drive through Rancho Cucamonga
A recorded drive through Rancho Cucamonga offers a street-level introduction to the city. This film is a dated journey, not live road conditions.
Watch on YouTube ↗
Weather · September
Rancho Cucamonga weather in September
Average highs of 91°F, lows of 64°F and 0.10 in of rain, from 30 years of weather records.
September is Rancho Cucamonga’s 3rd warmest month, with average highs of 91°F and lows of 64°F. That is 4° cooler than August, and 12° above the yearly average high.
- Average high
- 91°F
- Average low
- 64°F
- Precipitation
- 0.10 in
- Wet days
- 1
- Sunrise · sunset
- 6:33 AM · 6:58 PM
September across the year
High and low Rain
What to wear in September
- Hot days: light, breathable clothes, a sun hat, sunscreen and plenty of water for anything outdoors.
September is good for
- Early-morning or evening outings, with indoor plans for the afternoon heat
What’s on in Rancho Cucamonga in September
See all upcoming events.
Around Rancho Cucamonga
See Rancho Cucamonga
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
My vlog: Discovering a beautiful mountain road in Rancho Cucamonga😄👍
An activity Short shared by XiaomeiCheckIn.
Watch on YouTube ↗September compared with the months around it
Planning a trip? See the best time to visit Rancho Cucamonga and today’s forecast.
Questions
How hot does it get in Rancho Cucamonga in September?
Average highs are 91°F and average lows 64°F, for a daily mean of 78°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Rancho Cucamonga 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 Rancho Cucamonga in September?
Around mid-September the sun rises about 6:33 AM and sets about 6:58 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Rancho Cucamonga?
The mildest months for visiting are April, May, October. September is hot, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Ontario Intl Ap station (3.5 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.