Climate averages 1991–2020
Weather in Peru in September
In September, average daytime highs across the 24 cities listed in Peru range from 13.8°C in Huancayo to 30.8°C in Puerto Maldonado. Monthly rainfall ranges from under 1 mm in Chincha Alta to 179 mm in Iquitos.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Peru
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lima | 21.2°C15.6°C | 15.6°C | 1.6 | 0.3 |
| Callao | 20.1°C15.3°C | 15.3°C | 3.7 | 0.5 |
| Trujillo | 22.7°C16.6°C | 16.6°C | 2.2 | 0.6 |
| Piura | 28.4°C17.3°C | 17.3°C | 2.1 | 0.6 |
| Chiclayo | 22.7°C16.4°C | 16.4°C | 0.9 | 0.2 |
| Huancayo | 13.8°C4.3°C | 4.3°C | 90 | 23.7 |
| Cusco | 16.2°C6.6°C | 6.6°C | 37 | 13.1 |
| Iquitos | 30.0°C23.0°C | 23.0°C | 179 | 23.5 |
| Pucallpa | 30.7°C23.1°C | 23.1°C | 148 | 15.0 |
| Chimbote | 20.0°C15.3°C | 15.3°C | 1.4 | 0.1 |
| Tacna | 20.5°C13.1°C | 13.1°C | 2.4 | 0.2 |
| Ica | 26.6°C16.1°C | 16.1°C | 0.1 | 0.0 |
| Juliaca | 15.9°C1.1°C | 1.1°C | 46 | 10.3 |
| Huánuco (approximate) | 23.6°C15.0°C | 15.0°C | 35 | 10.6 |
| Santa Anita - Los Ficus | 19.0°C14.2°C | 14.2°C | 1.6 | 0.3 |
| Sullana | 29.2°C17.3°C | 17.3°C | 1.3 | 0.4 |
| Chincha Alta | 22.9°C16.0°C | 16.0°C | 0.1 | 0.0 |
| Puno | 15.8°C2.2°C | 2.2°C | 51 | 11.4 |
| Talara | 24.6°C17.3°C | 17.3°C | 1.2 | 0.4 |
| Tumbes | 29.3°C20.6°C | 20.6°C | 6.0 | 1.8 |
| Chosica | 23.9°C17.7°C | 17.7°C | 4.0 | 1.3 |
| Puerto Maldonado | 30.8°C22.0°C | 22.0°C | 119 | 13.5 |
| San Juan, Peru | 30.1°C23.1°C | 23.1°C | 179 | 23.5 |
| Abancay | 21.0°C10.7°C | 10.7°C | 41 | 14.8 |
A rain day is a local calendar day with at least 1 mm of precipitation.