Click on a day for an hourly weather forecast
The temperatures in Ica in September are usually low and can range between 14°C and 19°C.
There is little to no rain in Ica during September, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Ica in September 2025.
If you’re planning to visit Ica in the near future, we highly recommend that you review the 14 day weather forecast for Ica before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 15° | 1 | 30 | 0 | 36 mm | Good | Ica in January |
| February | 20° / 16° | 1 | 28 | 0 | 32 mm | Good | Ica in February |
| March | 21° / 17° | 1 | 30 | 0 | 31 mm | Good | Ica in March |
| April | 22° / 17° | 0 | 30 | 0 | 6 mm | Good | Ica in April |
| May | 23° / 18° | 0 | 31 | 0 | 0 mm | Perfect | Ica in May |
| June | 22° / 17° | 0 | 30 | 0 | 0 mm | Good | Ica in June |
| July | 21° / 16° | 0 | 31 | 0 | 0 mm | Good | Ica in July |
| August | 20° / 15° | 0 | 31 | 0 | 0 mm | Good | Ica in August |
| September | 19° / 14° | 0 | 30 | 0 | 1 mm | Good | Ica in September |
| October | 17° / 12° | 0 | 31 | 0 | 4 mm | Good | Ica in October |
| November | 17° / 13° | 0 | 30 | 0 | 6 mm | Good | Ica in November |
| December | 18° / 14° | 1 | 30 | 0 | 16 mm | Good | Ica in December |