Historic Avenue D in downtown Killeen

Weather · September

Killeen weather in September

Average highs of 90°F, lows of 67°F and 3.9 in of rain, from 30 years of weather records.

September is Killeen’s 4th warmest month, with average highs of 90°F and lows of 67°F. That is 7° cooler than August, and 12° above the yearly average high.

Average high
90°F
Average low
67°F
Precipitation
3.9 in
Wet days
6
Sunrise · sunset
7:14 AM · 7:37 PM

September across the year

  1. 60°36°Jan
  2. 63°40°Feb
  3. 70°47°Mar
  4. 77°54°Apr
  5. 84°63°May
  6. 92°70°Jun
  7. 96°72°Jul
  8. 97°73°Aug
  9. 90°67°Sep
  10. 80°56°Oct
  11. 69°46°Nov
  12. 60°38°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 6 days this month.

What’s on in Killeen in September

See all upcoming events and school days off.

Around Killeen

John Blackburn Log House, Killeen
John Blackburn Log House 01CalicoSilk · CC BY-SA 3.0
Killeen High School
Killeen High School 01Summerdeleon · CC BY-SA 4.0
Killeen Daily Herald Building 2018
Killeen Daily Herald Building 2018Larry D. Moore · CC BY 4.0

See Killeen

A look around town before you go.

Close to Fort Cavazos! Things to do near Killeen, Texas video thumbnail

THINGS TO DO · YOUTUBE SHORT

Close to Fort Cavazos! Things to do near Killeen, Texas

A local activity Short shared by Britney Ford.

Watch on YouTube ↗
🍎✨ Found the cutest sweet spot in Killeen! Killeen, TX video thumbnail

THINGS TO DO · YOUTUBE SHORT

🍎✨ Found the cutest sweet spot in Killeen! Killeen, TX

A local activity Short shared by The254girl.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August97°F73°F1.6 in
September90°F67°F3.9 in
October80°F56°F3.4 in

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

Questions

How hot does it get in Killeen in September?

Average highs are 90°F and average lows 67°F, for a daily mean of 78°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Killeen in September?

September averages 3.9 in of precipitation over about 6 days with at least 0.01 in. It is the 2nd wettest month of the year.

What time is sunset in Killeen in September?

Around mid-September the sun rises about 7:14 AM and sets about 7:37 PM, for roughly 12.4 hours of daylight.

Is September a good time to visit Killeen?

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

NOAA U.S. Climate Normals 1991–2020, Killeen station (3.4 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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