Click on a day for an hourly weather forecast
The temperatures in Grand Bahama during September are extremely high, between 28°C and hot as 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Grand Bahama. 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 Grand Bahama in September 2025.
If you’re planning to visit Grand Bahama in the near future, we highly recommend that you review the 14 day weather forecast for Grand Bahama before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 22° | 2 | 29 | 0 | 60 mm | Perfect | Grand Bahama in January |
| February | 23° / 22° | 2 | 26 | 0 | 51 mm | Perfect | Grand Bahama in February |
| March | 23° / 22° | 2 | 29 | 0 | 64 mm | Perfect | Grand Bahama in March |
| April | 25° / 24° | 4 | 26 | 0 | 77 mm | Perfect | Grand Bahama in April |
| May | 26° / 25° | 7 | 24 | 0 | 151 mm | Good | Grand Bahama in May |
| June | 28° / 27° | 9 | 21 | 0 | 185 mm | Good | Grand Bahama in June |
| July | 29° / 28° | 9 | 22 | 0 | 169 mm | Ok | Grand Bahama in July |
| August | 29° / 28° | 9 | 22 | 0 | 203 mm | Ok | Grand Bahama in August |
| September | 29° / 28° | 11 | 19 | 0 | 207 mm | Ok | Grand Bahama in September |
| October | 28° / 27° | 9 | 22 | 0 | 214 mm | Good | Grand Bahama in October |
| November | 26° / 25° | 4 | 26 | 0 | 96 mm | Perfect | Grand Bahama in November |
| December | 25° / 23° | 3 | 28 | 0 | 65 mm | Perfect | Grand Bahama in December |