THINGS TO DO · YOUTUBE SHORT
Heritage Park in Flower mound | Splash Pad Open | Play ground in Dallas
A local activity Short shared by play, travel.
Watch on YouTube ↗
Weather · September
Flower Mound weather in September
Average highs of 89°F, lows of 67°F and 3.5 in of rain, from 30 years of weather records.
September is Flower Mound’s 4th warmest month, with average highs of 89°F and lows of 67°F. That is 7° cooler than August, and 12° above the yearly average high.
- Average high
- 89°F
- Average low
- 67°F
- Precipitation
- 3.5 in
- Wet days
- 7
- Sunrise · sunset
- 7:11 AM · 7:35 PM
September across the year
High and low Rain
What to wear in September
- Warm days: shorts and T-shirts.
- Pack an umbrella or rain jacket: rain or snow falls on about 7 days this month.
What’s on in Flower Mound in September
See all upcoming events and school days off.
Around Flower Mound
See Flower Mound
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
Aerial Video Dallas - Rheudasil Park in Flower Mound
A local activity video shared by Global Video HQ.
Watch on YouTube ↗September compared with the months around it
Planning a trip? See the best time to visit Flower Mound and today’s forecast.
Questions
How hot does it get in Flower Mound in September?
Average highs are 89°F and average lows 67°F, for a daily mean of 78°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Flower Mound in September?
September averages 3.5 in of precipitation over about 7 days with at least 0.01 in. It is the 6th wettest month of the year.
What time is sunset in Flower Mound in September?
Around mid-September the sun rises about 7:11 AM and sets about 7:35 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Flower Mound?
The mildest months for visiting are March, April, November. September is warm, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Grapevine Dam station (6.9 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.