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