Weather · September
Average highs of 94°F, lows of 76°F and 4.6 in of rain, from 30 years of weather records.
September is McAllen’s 4th warmest month, with average highs of 94°F and lows of 76°F. That is 5° cooler than August, and 7° above the yearly average high.
High and low Rain
See all upcoming events and school days off.
A look around town before you go.
A DRIVE AROUND TOWN
Mileage Mike Travels’ recorded May 2023 drive through McAllen, with sampled scenes on Jackson Avenue and South and North 10th Street. It is not a live traffic camera; streets and businesses may have changed.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
RGV TASTE’s short Mercado District clip shows an indoor food-vendor counter. Check the food hall’s current vendors and hours rather than relying on this earlier recording.
Watch on YouTube ↗Planning a trip? See the best time to visit McAllen and today’s forecast.
Average highs are 94°F and average lows 76°F, for a daily mean of 85°F. Individual days run hotter or colder than these 30-year averages.
September averages 4.6 in of precipitation over about 8 days with at least 0.01 in. It is the wettest month of the year.
Around mid-September the sun rises about 7:18 AM and sets about 7:38 PM, for roughly 12.3 hours of daylight.
The mildest months for visiting are January, February, December. September is hot, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Mcallen Miller Intl Ap station (2.9 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.