Todos Santos Plaza in downtown Concord

Weather · September

Concord weather in September

Average highs of 85°F, lows of 58°F and 0.10 in of rain, from 30 years of weather records.

September is Concord’s 3rd warmest month, with average highs of 85°F and lows of 58°F. That is 3° cooler than August, and 12° above the yearly average high.

Average high
85°F
Average low
58°F
Precipitation
0.10 in
Wet days
1
Sunrise · sunset
6:49 AM · 7:17 PM

September across the year

  1. 58°41°Jan
  2. 62°44°Feb
  3. 67°47°Mar
  4. 71°49°Apr
  5. 78°53°May
  6. 84°57°Jun
  7. 88°59°Jul
  8. 88°59°Aug
  9. 85°58°Sep
  10. 78°53°Oct
  11. 66°45°Nov
  12. 58°41°Dec

High and low Rain

What to wear in September

  • Warm days: shorts and T-shirts, with a light layer for cooler evenings.

September is good for

What’s on in Concord in September

See all upcoming events and school days off.

Around Concord

Concord photograph by MARELBU
Concord, CA, USA (6)MARELBU · CC BY 3.0
1560 Pine St, Concord
1560 Pine StMasrur Odinaev · CC BY-SA 3.0
Concord station underpass viewed from parking garage
Concord station underpass viewed from parking garage, May 2018Pi.1415926535 · CC BY-SA 3.0

See Concord

A look around town before you go.

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THINGS TO DO · YOUTUBE SHORT

things to do in the bay | Red Onion Concord, CA

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September compared with the months around it

MonthHighLowRain
August88°F59°F0.00 in
September85°F58°F0.10 in
October78°F53°F0.70 in

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

Questions

How hot does it get in Concord in September?

Average highs are 85°F and average lows 58°F, for a daily mean of 72°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Concord 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 Concord in September?

Around mid-September the sun rises about 6:49 AM and sets about 7:17 PM, for roughly 12.5 hours of daylight.

Is September a good time to visit Concord?

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

NOAA U.S. Climate Normals 1991–2020, Concord Buchanan Fld station (1.6 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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