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The weather in Grand Prairie in September is hot. The average temperatures are between 22°C and 32°C.
You can expect about 3 to 8 days of rain in Grand Prairie during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Grand Prairie in September 2025.
If you’re planning to visit Grand Prairie in the near future, we highly recommend that you review the 14 day weather forecast for Grand Prairie before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 5° | 2 | 28 | 1 | 33 mm | Ok | Grand Prairie in January |
| February | 14° / 6° | 3 | 23 | 2 | 39 mm | Ok | Grand Prairie in February |
| March | 20° / 11° | 4 | 27 | 0 | 56 mm | Good | Grand Prairie in March |
| April | 24° / 14° | 4 | 26 | 0 | 49 mm | Perfect | Grand Prairie in April |
| May | 28° / 19° | 6 | 25 | 0 | 96 mm | Perfect | Grand Prairie in May |
| June | 33° / 23° | 6 | 24 | 0 | 81 mm | Good | Grand Prairie in June |
| July | 35° / 25° | 5 | 26 | 0 | 69 mm | Ok | Grand Prairie in July |
| August | 36° / 26° | 5 | 26 | 0 | 70 mm | Ok | Grand Prairie in August |
| September | 32° / 22° | 5 | 25 | 0 | 88 mm | Good | Grand Prairie in September |
| October | 26° / 16° | 4 | 27 | 0 | 77 mm | Perfect | Grand Prairie in October |
| November | 19° / 11° | 2 | 27 | 0 | 40 mm | Good | Grand Prairie in November |
| December | 14° / 7° | 3 | 28 | 0 | 41 mm | Good | Grand Prairie in December |