Click on a day for an hourly weather forecast
The weather in Santo Domingo in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Santo Domingo. 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 Santo Domingo in September 2025.
If you’re planning to visit Santo Domingo in the near future, we highly recommend that you review the 14 day weather forecast for Santo Domingo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 22° | 2 | 29 | 0 | 41 mm | Good | Santo Domingo in January |
| February | 29° / 21° | 2 | 27 | 0 | 44 mm | Good | Santo Domingo in February |
| March | 29° / 21° | 2 | 29 | 0 | 46 mm | Good | Santo Domingo in March |
| April | 30° / 22° | 5 | 25 | 0 | 88 mm | Good | Santo Domingo in April |
| May | 30° / 24° | 9 | 22 | 0 | 158 mm | Ok | Santo Domingo in May |
| June | 31° / 24° | 9 | 21 | 0 | 154 mm | Ok | Santo Domingo in June |
| July | 31° / 25° | 13 | 18 | 0 | 219 mm | Ok | Santo Domingo in July |
| August | 31° / 25° | 13 | 18 | 0 | 231 mm | Ok | Santo Domingo in August |
| September | 31° / 25° | 11 | 19 | 0 | 161 mm | Ok | Santo Domingo in September |
| October | 31° / 24° | 8 | 23 | 0 | 164 mm | Ok | Santo Domingo in October |
| November | 30° / 23° | 6 | 24 | 0 | 123 mm | Good | Santo Domingo in November |
| December | 29° / 22° | 2 | 29 | 0 | 62 mm | Good | Santo Domingo in December |