Click on a day for an hourly weather forecast
The temperatures in Antigua in September are comfortable with low of 15°C and and high up to 24°C.
With more than 22 rainy days, Antigua 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 Antigua in September 2025.
If you’re planning to visit Antigua in the near future, we highly recommend that you review the 14 day weather forecast for Antigua before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 12° | 2 | 29 | 0 | 19 mm | Perfect | Antigua in January |
| February | 26° / 13° | 2 | 27 | 0 | 27 mm | Perfect | Antigua in February |
| March | 27° / 14° | 3 | 28 | 0 | 39 mm | Perfect | Antigua in March |
| April | 28° / 16° | 11 | 19 | 0 | 193 mm | Good | Antigua in April |
| May | 26° / 17° | 21 | 10 | 0 | 594 mm | Good | Antigua in May |
| June | 24° / 16° | 24 | 6 | 0 | 681 mm | Good | Antigua in June |
| July | 25° / 15° | 20 | 11 | 0 | 387 mm | Good | Antigua in July |
| August | 25° / 15° | 23 | 8 | 0 | 543 mm | Good | Antigua in August |
| September | 24° / 15° | 26 | 4 | 0 | 659 mm | Good | Antigua in September |
| October | 23° / 14° | 20 | 11 | 0 | 448 mm | Good | Antigua in October |
| November | 23° / 13° | 6 | 24 | 0 | 85 mm | Perfect | Antigua in November |
| December | 24° / 13° | 1 | 30 | 0 | 20 mm | Perfect | Antigua in December |