Galveston skyline looking south toward the Gulf of Mexico

Weather · September

Galveston weather in September

Average highs of 89°F, lows of 76°F and 6.7 in of rain, from 30 years of weather records.

September is Galveston’s 4th warmest month, with average highs of 89°F and lows of 76°F. That is 3° cooler than August, and 10° above the yearly average high.

Average high
89°F
Average low
76°F
Precipitation
6.7 in
Wet days
10
Sunrise · sunset
7:03 AM · 7:25 PM

September across the year

  1. 63°49°Jan
  2. 66°52°Feb
  3. 72°58°Mar
  4. 78°65°Apr
  5. 84°72°May
  6. 90°78°Jun
  7. 91°80°Jul
  8. 92°80°Aug
  9. 89°76°Sep
  10. 82°69°Oct
  11. 72°59°Nov
  12. 66°52°Dec

High and low Rain

What to wear in September

  • Warm days: shorts and T-shirts.
  • Pack an umbrella or rain jacket: rain or snow falls on about 10 days this month.

September is good for

What’s on in Galveston in September

See all upcoming events.

Around Galveston

Sunset over the Gulf of mexico, Galveston
Gfp-texas-galveston-sunset-over-the-gulfYinan Chen · Public Domain
Fishing pier building, Galveston, Texas 2006
FishingPierBuildingGalvestonStephen Witherden · CC BY 2.0
First Evangelical Lutheran Church, Galveston, Texas
First Evangelical Lutheran Church, Galveston, TexasJim Evans · CC BY-SA 3.0

See Galveston

A look around town before you go.

Guidebook for your next trip to Galveston, TX 🏝️ Most Texans travel to @galvestonisland to hang out video thumbnail

THINGS TO DO · YOUTUBE SHORT

Guidebook for your next trip to Galveston, TX 🏝️ Most Texans travel to @galvestonisland to hang out

A local activity Short shared by My Curly Adventures.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August92°F80°F4.7 in
September89°F76°F6.7 in
October82°F69°F5.2 in

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

Questions

How hot does it get in Galveston in September?

Average highs are 89°F and average lows 76°F, for a daily mean of 82°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Galveston in September?

September averages 6.7 in of precipitation over about 10 days with at least 0.01 in. It is the wettest month of the year.

What time is sunset in Galveston in September?

Around mid-September the sun rises about 7:03 AM and sets about 7:25 PM, for roughly 12.4 hours of daylight.

Is September a good time to visit Galveston?

The mildest months for visiting are February, March, April. September is warm, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, Galveston Scholes Fld station (4.3 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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