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Weather · September

Brownsville weather in September

Average highs of 92°F, lows of 75°F and 5.7 in of rain, from 30 years of weather records.

September is Brownsville’s 4th warmest month, with average highs of 92°F and lows of 75°F. That is 4° cooler than August, and 7° above the yearly average high.

Average high
92°F
Average low
75°F
Precipitation
5.7 in
Wet days
11
Sunrise · sunset
7:15 AM · 7:35 PM

September across the year

  1. 73°53°Jan
  2. 76°57°Feb
  3. 81°62°Mar
  4. 86°68°Apr
  5. 90°74°May
  6. 94°77°Jun
  7. 95°78°Jul
  8. 96°78°Aug
  9. 92°75°Sep
  10. 87°69°Oct
  11. 80°61°Nov
  12. 74°55°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 11 days this month.

September is good for

What’s on in Brownsville in September

See all upcoming events and school days off.

Around Brownsville

Blazing Sunset, Brownsville
Blazing Sunset - Flickr - pinemikeyMichael Martin from Cypress, Texas · CC BY-SA 2.0
Sunday Morning Washington Street, Brownsville
Sunday Morning Washington Street - Flickr - pinemikeyMichael Martin from Cypress, Texas · CC BY-SA 2.0
Elizabeth Street, Brownsville
Elizabeth Street(1) - Flickr - pinemikeyMichael Martin from Cypress, Texas · CC BY-SA 2.0

See Brownsville

A look around town before you go.

Top 10 Best Tourist Places to Visit in Brownsville, Texas | USA - English video thumbnail

THINGS TO DO · YOUTUBE SHORT

Top 10 Best Tourist Places to Visit in Brownsville, Texas | USA - English

A local activity Short shared by Wiki Peaks - Shorts.

Watch on YouTube ↗
I Explored Brownsville, Texas… And Found History Everywhere video thumbnail

THINGS TO DO · YOUTUBE SHORT

I Explored Brownsville, Texas… And Found History Everywhere

A local activity Short shared by LORE & MEMORY.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August96°F78°F2.2 in
September92°F75°F5.7 in
October87°F69°F3.8 in

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

Questions

How hot does it get in Brownsville in September?

Average highs are 92°F and average lows 75°F, for a daily mean of 83°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Brownsville in September?

September averages 5.7 in of precipitation over about 11 days with at least 0.01 in. It is the wettest month of the year.

What time is sunset in Brownsville in September?

Around mid-September the sun rises about 7:15 AM and sets about 7:35 PM, for roughly 12.3 hours of daylight.

Is September a good time to visit Brownsville?

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

NOAA U.S. Climate Normals 1991–2020, Brownsville station (4.2 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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