Imperial Beach Pier at sunset, photographed in 2017.

Weather · September

Imperial Beach weather in September

Average highs of 75°F, lows of 62°F and 0.10 in of rain, from 30 years of weather records.

September is Imperial Beach’s 2nd warmest month, with average highs of 75°F and lows of 62°F. That is about the same as August, and 5° above the yearly average high.

Average high
75°F
Average low
62°F
Precipitation
0.10 in
Sunrise · sunset
6:32 AM · 6:55 PM

September across the year

  1. 67°47°Jan
  2. 65°48°Feb
  3. 66°51°Mar
  4. 67°53°Apr
  5. 68°57°May
  6. 70°60°Jun
  7. 73°64°Jul
  8. 75°65°Aug
  9. 75°62°Sep
  10. 73°56°Oct
  11. 70°50°Nov
  12. 66°46°Dec

High and low Rain

What to wear in September

  • Warm days: shorts and T-shirts.

September is good for

What’s on in Imperial Beach in September

See all upcoming events and school days off.

Around Imperial Beach

A Imperial Beach city limits sign on the dirt road leading to International Friendship Park
Imperial Beach city limits sign 1RightCowLeftCoast · CC BY-SA 4.0
Surfer statue, Imperial Beach
Imperial Beach SW01Scotwriter21 · CC BY-SA 4.0
Imperial Beach photograph by Roman Eugeniusz
Imperial Beach, CA, USA (1)Roman Eugeniusz · CC BY-SA 3.0

See Imperial Beach

A look around town before you go.

Imperial Beach, California Walking Tour 🇺🇸 | 4K 60FPS video thumbnail

A WALK AROUND TOWN

Imperial Beach, California Walking Tour 🇺🇸 | 4K 60FPS

Recorded footage by Aussie Jetsetter. Not live road conditions.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August75°F65°F0.00 in
September75°F62°F0.10 in
October73°F56°F0.40 in

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

Questions

How hot does it get in Imperial Beach in September?

Average highs are 75°F and average lows 62°F, for a daily mean of 69°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Imperial Beach in September?

September averages 0.10 in of precipitation. It is the 11th wettest month of the year.

What time is sunset in Imperial Beach in September?

Around mid-September the sun rises about 6:32 AM and sets about 6:55 PM, for roughly 12.4 hours of daylight.

Is September a good time to visit Imperial Beach?

The mildest months for visiting are May, June, August. September is mild, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, Imperial Beach Ream Fld Nas station (1.2 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

Imperial Beach AI

Your Imperial Beach local guide
Hey there!

I'm Imperial Beach AI. Ask about local food, shopping, history or a day out.

AI recommendations may be inaccurate. Verify hours and prices. Questions are processed by Cloudflare. Privacy