Click on a day for an hourly weather forecast
The temperatures in Loreto in September are comfortable with low of 15°C and and high up to 21°C.
You can expect up to 3 rainy days in Loreto during the month of September.
Our weather forecast can give you a great sense of what weather to expect in Loreto in September 2025.
If you’re planning to visit Loreto in the near future, we highly recommend that you review the 14 day weather forecast for Loreto before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 25° / 19° | 0 | 31 | 0 | 5 mm | Perfect | Loreto in January |
| February | 26° / 20° | 1 | 28 | 0 | 11 mm | Perfect | Loreto in February |
| March | 26° / 20° | 0 | 31 | 0 | 8 mm | Perfect | Loreto in March |
| April | 25° / 18° | 0 | 30 | 0 | 1 mm | Perfect | Loreto in April |
| May | 23° / 17° | 0 | 31 | 0 | 0 mm | Perfect | Loreto in May |
| June | 22° / 16° | 0 | 30 | 0 | 0 mm | Good | Loreto in June |
| July | 21° / 15° | 0 | 31 | 0 | 0 mm | Good | Loreto in July |
| August | 21° / 14° | 0 | 31 | 0 | 0 mm | Good | Loreto in August |
| September | 21° / 15° | 0 | 30 | 0 | 0 mm | Good | Loreto in September |
| October | 22° / 15° | 0 | 31 | 0 | 1 mm | Good | Loreto in October |
| November | 23° / 16° | 0 | 30 | 0 | 1 mm | Perfect | Loreto in November |
| December | 24° / 17° | 0 | 31 | 0 | 2 mm | Perfect | Loreto in December |