Click on a day for an hourly weather forecast
The weather in Conroe in September is hot. The average temperatures are between 22°C and 32°C.
You can expect rain for roughly half of the month of September in Conroe. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Conroe in September 2025.
If you’re planning to visit Conroe in the near future, we highly recommend that you review the 14 day weather forecast for Conroe before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 7° | 5 | 26 | 0 | 60 mm | Good | Conroe in January |
| February | 17° / 9° | 5 | 23 | 0 | 66 mm | Good | Conroe in February |
| March | 22° / 12° | 5 | 26 | 0 | 66 mm | Good | Conroe in March |
| April | 26° / 15° | 4 | 26 | 0 | 75 mm | Perfect | Conroe in April |
| May | 30° / 20° | 7 | 24 | 0 | 130 mm | Ok | Conroe in May |
| June | 33° / 23° | 9 | 21 | 0 | 127 mm | Ok | Conroe in June |
| July | 34° / 24° | 9 | 22 | 0 | 129 mm | Bad | Conroe in July |
| August | 35° / 24° | 8 | 23 | 0 | 146 mm | Bad | Conroe in August |
| September | 32° / 22° | 9 | 21 | 0 | 148 mm | Ok | Conroe in September |
| October | 28° / 17° | 5 | 26 | 0 | 99 mm | Perfect | Conroe in October |
| November | 21° / 12° | 4 | 26 | 0 | 78 mm | Good | Conroe in November |
| December | 17° / 9° | 5 | 26 | 0 | 73 mm | Good | Conroe in December |