Weslaco
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Weslaco Weather in September

Thinking of visiting Weslaco 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 Weslaco in September

Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Historically, September sees about 13 days of rain, with a monthly average of 149 mm (5.9 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Weslaco in September

Temperatures in Weslaco in September top out at 34°C (93°F) and drop to 23°C (73°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of 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.

Sunshine in Weslaco in September

The city usually sees around 246 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Weslaco. Our weather planner can help you explore destinations with more pleasant weather conditions.

Weslaco Temperature in September

Min Temperature
23°C (73°F)
Max Temperature
34°C (93°F)
Chance of Rain
43%
Precipitation
149 mm (5.9 in)
Rainy days
13 days
Humidity
76% *
Sunshine
246 hours *
Percentage Sunshine
67% *
* Data from: Brownsville, the United States of America (62 KM, 38 Miles).

Weslaco Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Weslaco - and find the best time to visit.

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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Weslaco in September

Pack for serious heat in Weslaco in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Weslaco in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Weslaco 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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