Click on a day for an hourly weather forecast
The weather in Ambergris Caye in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Ambergris Caye.
Ambergris Caye should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Ambergris Caye in September 2025.
If you’re planning to visit Ambergris Caye in the near future, we highly recommend that you review the 14 day weather forecast for Ambergris Caye before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 21° | 9 | 22 | 0 | 193 mm | Good | Ambergris Caye in January |
| February | 27° / 22° | 5 | 23 | 0 | 128 mm | Perfect | Ambergris Caye in February |
| March | 28° / 23° | 5 | 26 | 0 | 100 mm | Perfect | Ambergris Caye in March |
| April | 30° / 25° | 4 | 27 | 0 | 78 mm | Good | Ambergris Caye in April |
| May | 30° / 25° | 9 | 22 | 0 | 212 mm | Ok | Ambergris Caye in May |
| June | 30° / 26° | 16 | 14 | 0 | 388 mm | Ok | Ambergris Caye in June |
| July | 30° / 26° | 15 | 16 | 0 | 361 mm | Ok | Ambergris Caye in July |
| August | 31° / 26° | 15 | 16 | 0 | 377 mm | Ok | Ambergris Caye in August |
| September | 31° / 25° | 17 | 13 | 0 | 373 mm | Ok | Ambergris Caye in September |
| October | 30° / 24° | 15 | 16 | 0 | 399 mm | Ok | Ambergris Caye in October |
| November | 28° / 22° | 11 | 19 | 0 | 291 mm | Good | Ambergris Caye in November |
| December | 27° / 22° | 9 | 22 | 0 | 196 mm | Good | Ambergris Caye in December |