Mount Clef Ridge and open space in Thousand Oaks

Weather · September

Thousand Oaks weather in September

Average highs of 80°F, lows of 59°F and 0.10 in of rain, from 30 years of weather records.

September is Thousand Oaks’s warmest month, with average highs of 80°F and lows of 59°F. That is about the same as August, and 7° above the yearly average high.

Average high
80°F
Average low
59°F
Precipitation
0.10 in
Wet days
1
Sunrise · sunset
6:38 AM · 7:03 PM

September across the year

  1. 68°45°Jan
  2. 68°46°Feb
  3. 69°47°Mar
  4. 71°49°Apr
  5. 72°53°May
  6. 75°57°Jun
  7. 78°60°Jul
  8. 80°61°Aug
  9. 80°59°Sep
  10. 76°54°Oct
  11. 73°49°Nov
  12. 68°44°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 Thousand Oaks in September

See all upcoming events and school days off.

Around Thousand Oaks

The Lakes in Thousand Oaks
The Lakes in Thousand OaksFreyire · CC BY-SA 4.0
Headquarters for Santa Monica Mountains National Recreation Area (SMMNRA) in Thousand Oaks, California
Santa monica mountains national recreation areaTOLocal · CC BY-SA 4.0
City of Thousand Oaks sign CA USA
City of Thousand Oaks sign CA USAHolly Cheng · CC BY-SA 3.0

See Thousand Oaks

A look around town before you go.

September compared with the months around it

MonthHighLowRain
August80°F61°F0.00 in
September80°F59°F0.10 in
October76°F54°F0.50 in

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

Questions

How hot does it get in Thousand Oaks in September?

Average highs are 80°F and average lows 59°F, for a daily mean of 70°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Thousand Oaks 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 Thousand Oaks in September?

Around mid-September the sun rises about 6:38 AM and sets about 7:03 PM, for roughly 12.4 hours of daylight.

Is September a good time to visit Thousand Oaks?

The mildest months for visiting are June, July, August. September is warm, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, Camarillo Ap station (12.1 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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