Click on a day for an hourly weather forecast
The temperatures in Fajardo during September are extremely high, between 27°C and hot as 29°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Fajardo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Fajardo in September 2025.
If you’re planning to visit Fajardo in the near future, we highly recommend that you review the 14 day weather forecast for Fajardo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 24° | 1 | 30 | 0 | 60 mm | Perfect | Fajardo in January |
| February | 26° / 24° | 1 | 27 | 0 | 55 mm | Perfect | Fajardo in February |
| March | 26° / 24° | 1 | 30 | 0 | 62 mm | Perfect | Fajardo in March |
| April | 27° / 25° | 2 | 28 | 0 | 67 mm | Perfect | Fajardo in April |
| May | 27° / 26° | 5 | 26 | 0 | 115 mm | Perfect | Fajardo in May |
| June | 28° / 27° | 4 | 26 | 0 | 108 mm | Perfect | Fajardo in June |
| July | 28° / 27° | 6 | 25 | 0 | 145 mm | Perfect | Fajardo in July |
| August | 29° / 27° | 7 | 24 | 0 | 174 mm | Ok | Fajardo in August |
| September | 29° / 27° | 6 | 24 | 0 | 138 mm | Good | Fajardo in September |
| October | 29° / 27° | 6 | 25 | 0 | 135 mm | Good | Fajardo in October |
| November | 28° / 26° | 6 | 24 | 0 | 148 mm | Perfect | Fajardo in November |
| December | 27° / 25° | 2 | 29 | 0 | 78 mm | Perfect | Fajardo in December |