McAllen Weather in September
Thinking of visiting McAllen in September? Expect very high temperatures reaching 34°C (93°F) during the day, dropping to 23°C (73°F) at night, and be prepared for the wettest month of the year.
Rainfall in McAllen in September
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. You can expect rain on roughly 11 days based on historical data, averaging 129 mm (5.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in McAllen in September
If you're visiting McAllen in September, expect highs of 34°C (93°F) and overnight lows around 23°C (73°F). It's usually most comfortable outside during the morning and later in the day. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.September in McAllen has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our McAllen's climate page.
McAllen Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
34°C (93°F)
Chance of Rain
37%
Precipitation
129 mm (5.1 in)
Rainy days
11 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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tolerable
unpleasant
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What to Wear in McAllen in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in McAllen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our McAllen's climate page.
See the full McAllen climate overview or explore weather in the United States of America.
