Lewisville Weather in September
September in Lewisville typically sees daytime highs of 32°C (90°F) and nighttime lows of 21°C (70°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Lewisville in September
Rain is expected on roughly 7 days, totalling around 71 mm (2.8 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Lewisville in September
In September, Lewisville sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 21°C (70°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are mild at around 21°C (70°F), which is comfortable for most people.
Sunshine in Lewisville in September
The days are predominantly sunny, with an estimated total of around 248 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm, March, April, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Lewisville's climate page.
Lewisville Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
32°C (90°F)
Chance of Rain
23%
Precipitation
71 mm (2.8 in)
Rainy days
7 days
Humidity
67% *
Sunshine
248 hours *
Percentage Sunshine
66% *
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 →
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What to Wear in Lewisville in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Lewisville 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 Lewisville's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lewisville climate overview or explore weather in the United States of America.
