Donna
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Donna Weather in September

During September, Donna experiences very high daytime temperatures of 34°C (93°F) and cooler nights around 23°C (73°F). As the wettest month of the year, expect frequent rainfall.

Rainfall in Donna in September

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. Rain is expected on roughly 13 days, totalling around 131 mm (5.2 in) for the month. 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 Donna in September

Temperatures in Donna in September top out at 34°C (93°F) and drop to 23°C (73°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. 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 Donna in September

Expect a lot of sunshine this month, with about 246 hours of sun. These sunny conditions add to the overall experience.

September in Donna 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.

Donna Temperature in September

Min Temperature
23°C (73°F)
Max Temperature
34°C (93°F)
Chance of Rain
43%
Precipitation
131 mm (5.2 in)
Rainy days
13 days
Humidity
76% *
Sunshine
246 hours *
Percentage Sunshine
67% *
* Data from: Brownsville, the United States of America (68 KM, 42 Miles).

Donna Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Donna - 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 Donna 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Donna 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

Donna 3-Day Forecast

Popular in September

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.