Aerial view of Richmond and the San Rafael Bay

Weather · September

Richmond weather in September

Average highs of 75°F, lows of 56°F and 0.00 in of rain, from 30 years of weather records.

September is Richmond’s warmest month, with average highs of 75°F and lows of 56°F. That is 3° warmer than August, and 8° above the yearly average high.

Average high
75°F
Average low
56°F
Precipitation
0.00 in
Wet days
0
Sunrise · sunset
6:51 AM · 7:18 PM

What to wear in September

What September weather is good for

What’s on in Richmond in September

Guides for this month: Halloween in Richmond.

See all upcoming events and school days off.

September compared with the months around it

MonthHighLowRain
August72°F56°F0.10 in
September75°F56°F0.00 in
October73°F54°F1.4 in

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

Questions

How hot does it get in Richmond in September?

Average highs are 75°F and average lows 56°F, for a daily mean of 65°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Richmond in September?

September averages 0.00 in of precipitation over about 0 days with at least 0.01 in. It is the 12th wettest month of the year.

What time is sunset in Richmond in September?

Around mid-September the sun rises about 6:51 AM and sets about 7:18 PM, for roughly 12.5 hours of daylight.

Is September a good time to visit Richmond?

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, Richmond station (2 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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