Click on a day for an hourly weather forecast
The weather in Boynton Beach in September is very hot. The average temperatures are between 26°C and 30°C, drinking water regularly is advisable.
With more than 22 rainy days, Boynton Beach is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in Boynton Beach in September 2025.
If you’re planning to visit Boynton Beach in the near future, we highly recommend that you review the 14 day weather forecast for Boynton Beach before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 18° | 4 | 27 | 0 | 43 mm | Perfect | Boynton Beach in January |
| February | 24° / 19° | 4 | 24 | 0 | 47 mm | Perfect | Boynton Beach in February |
| March | 25° / 20° | 5 | 26 | 0 | 58 mm | Perfect | Boynton Beach in March |
| April | 27° / 22° | 8 | 22 | 0 | 99 mm | Good | Boynton Beach in April |
| May | 28° / 24° | 14 | 17 | 0 | 189 mm | Good | Boynton Beach in May |
| June | 30° / 26° | 22 | 8 | 0 | 295 mm | Ok | Boynton Beach in June |
| July | 30° / 27° | 25 | 6 | 0 | 271 mm | Ok | Boynton Beach in July |
| August | 30° / 27° | 26 | 5 | 0 | 301 mm | Ok | Boynton Beach in August |
| September | 30° / 26° | 24 | 6 | 0 | 289 mm | Ok | Boynton Beach in September |
| October | 28° / 25° | 12 | 19 | 0 | 144 mm | Good | Boynton Beach in October |
| November | 25° / 22° | 7 | 23 | 0 | 66 mm | Good | Boynton Beach in November |
| December | 24° / 20° | 5 | 26 | 0 | 49 mm | Perfect | Boynton Beach in December |