Sunset from the exit of Galster Wilderness Park in West Covina

Weather · September

West Covina weather in September

Average highs of 87°F, lows of 64°F and 0.10 in of rain, from 30 years of weather records.

September is West Covina’s 2nd warmest month, with average highs of 87°F and lows of 64°F. That is 1° cooler than August, and 10° above the yearly average high.

Average high
87°F
Average low
64°F
Precipitation
0.10 in
Wet days
0
Sunrise · sunset
6:34 AM · 6:59 PM

What to wear in September

What September weather is good for

What’s on in West Covina in September

Guides for this month: Halloween in West Covina.

See all upcoming events and school days off.

September compared with the months around it

MonthHighLowRain
August88°F66°F0.00 in
September87°F64°F0.10 in
October81°F57°F0.60 in

Planning a trip? See the best time to visit West Covina and today’s forecast.

Questions

How hot does it get in West Covina in September?

Average highs are 87°F and average lows 64°F, for a daily mean of 75°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in West Covina in September?

September averages 0.10 in of precipitation over about 0 days with at least 0.01 in. It is the 10th wettest month of the year.

What time is sunset in West Covina 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 West Covina?

The mildest months for visiting are April, May, June. September is warm, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, San Gabriel Fire Dept station (9.3 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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