Climate averages 1991–2020
Chiclayo weather
in September.
A warm, very dry month: the joint 10th warmest and the joint 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Chiclayo: daytime highs average 22.7°C and nights cool to about 16.4°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average September day.
The nearest other city in this atlas is Trujillo (175 km away). In September its highs average 22.7°C, about as warm as Chiclayo, with 2.2 mm of rain.
Among the 24 cities listed in Peru, Chiclayo ranks joint 13th of 24 for the warmest September highs and 3rd of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 23.3°C; Chiclayo is 0.6°C cooler than that mean.
From September to October, average highs rise by 0.4°C to 23.1°C, and monthly rainfall rises from under 1 mm to 2.8 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Chiclayo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C21.4°C | 21.4°C | 23 | 3.8 | 12.512 h |
| February | 29.0°C22.9°C | 22.9°C | 46 | 7.8 | 12.312 h |
| March | 28.9°C22.8°C | 22.8°C | 76 | 10.2 | 12.112 h |
| April | 26.9°C20.9°C | 20.9°C | 27 | 5.2 | 12.012 h |
| May | 25.1°C19.2°C | 19.2°C | 5.2 | 1.9 | 11.812 h |
| June | 23.6°C17.9°C | 17.9°C | 0.9 | 0.3 | 11.712 h |
| July | 22.7°C17.0°C | 17.0°C | 0.2 | 0.1 | 11.812 h |
| August | 22.4°C16.4°C | 16.4°C | 0.2 | 0.1 | 11.912 h |
| September, selected | 22.7°C16.4°C | 16.4°C | 0.9 | 0.2 | 12.112 h |
| October | 23.1°C16.7°C | 16.7°C | 2.8 | 1.0 | 12.212 h |
| November | 23.9°C17.5°C | 17.5°C | 4.8 | 1.6 | 12.412 h |
| December | 25.5°C19.2°C | 19.2°C | 8.9 | 2.6 | 12.513 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Trujillo in SeptemberPeru · 175 kmHigh 22.7°C · Low 16.6°C · 2.2 mm rain
- Piura in SeptemberPeru · 198 kmHigh 28.4°C · Low 17.3°C · 2.1 mm rain
- Sullana in SeptemberPeru · 227 kmHigh 29.2°C · Low 17.3°C · 1.3 mm rain
- Talara in SeptemberPeru · 290 kmHigh 24.6°C · Low 17.3°C · 1.2 mm rain
- Chimbote in SeptemberPeru · 292 kmHigh 20.0°C · Low 15.3°C · 1.4 mm rain
- Loja in SeptemberEcuador · 317 kmHigh 21.9°C · Low 13.9°C · 36 mm rain
- Tumbes in SeptemberPeru · 363 kmHigh 29.3°C · Low 20.6°C · 6.0 mm rain
- Cuenca in SeptemberEcuador · 441 kmHigh 18.1°C · Low 9.8°C · 62 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chiclayo) is explained once on the Chiclayo year overview and on the Sources, method and limits page.