Guadalupe River flowing through New Braunfels

Weather · September

New Braunfels weather in September

Average highs of 92°F, lows of 68°F and 3.5 in of rain, from 30 years of weather records.

September is New Braunfels’s 4th warmest month, with average highs of 92°F and lows of 68°F. That is 6° cooler than August, and 10° above the yearly average high.

Average high
92°F
Average low
68°F
Precipitation
3.5 in
Wet days
7
Sunrise · sunset
7:17 AM · 7:38 PM

September across the year

  1. 64°40°Jan
  2. 68°44°Feb
  3. 75°51°Mar
  4. 82°58°Apr
  5. 88°66°May
  6. 93°71°Jun
  7. 96°73°Jul
  8. 98°73°Aug
  9. 92°68°Sep
  10. 84°59°Oct
  11. 73°49°Nov
  12. 65°42°Dec

High and low Rain

What to wear in September

  • Hot days: light, breathable clothes, a sun hat, sunscreen and plenty of water for anything outdoors.
  • Pack an umbrella or rain jacket: rain or snow falls on about 7 days this month.

September is good for

What’s on in New Braunfels in September

See all upcoming events and school days off.

Around New Braunfels

Brauntex Theater (1 of 1), New Braunfels
Brauntex Theater (1 of 1)Renelibrary · CC BY-SA 4.0
Fire Stations New and Old New Braunfels Texas
Fire Stations New and Old New Braunfels TexasLarry D. Moore · CC BY 4.0
New Braunfels photograph by Griffinofwales
TX46 New BraunfelsGriffinofwales · CC BY-SA 3.0

See New Braunfels

A look around town before you go.

Exploring the Charm and Beauty of New Braunfels, Texas video thumbnail

THINGS TO DO · YOUTUBE SHORT

Exploring the Charm and Beauty of New Braunfels, Texas

A local activity Short shared by Venture Addicts.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August98°F73°F2.0 in
September92°F68°F3.5 in
October84°F59°F3.3 in

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

Questions

How hot does it get in New Braunfels in September?

Average highs are 92°F and average lows 68°F, for a daily mean of 80°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in New Braunfels in September?

September averages 3.5 in of precipitation over about 7 days with at least 0.01 in. It is the 2nd wettest month of the year.

What time is sunset in New Braunfels in September?

Around mid-September the sun rises about 7:17 AM and sets about 7:38 PM, for roughly 12.4 hours of daylight.

Is September a good time to visit New Braunfels?

The mildest months for visiting are February, April, December. September is hot, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, Austin San Antonio station (6 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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