Climate averages 1991–2020
Trujillo weather
in September.
A warm, very dry month: the joint 10th warmest and the 4th 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 Trujillo: daytime highs average 22.7°C and nights cool to about 16.6°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 2.2 mm of rain on fewer than one day, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average September day.
The nearest other city in this atlas is Chimbote (117 km away). In September its highs average 20.0°C, 2.7°C cooler than Trujillo, with 1.4 mm of rain.
Among the 24 cities listed in Peru, Trujillo ranks joint 13th of 24 for the warmest September highs and 10th of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 23.3°C; Trujillo 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 2.2 mm to 3.9 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
Trujillo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C20.4°C | 20.4°C | 26 | 6.8 | 12.513 h |
| February | 26.7°C21.5°C | 21.5°C | 53 | 11.7 | 12.412 h |
| March | 26.5°C21.5°C | 21.5°C | 66 | 15.9 | 12.212 h |
| April | 25.5°C20.2°C | 20.2°C | 26 | 6.6 | 11.912 h |
| May | 24.6°C18.9°C | 18.9°C | 3.6 | 0.8 | 11.712 h |
| June | 23.5°C17.7°C | 17.7°C | 1.0 | 0.1 | 11.712 h |
| July | 22.7°C16.8°C | 16.8°C | 0.7 | 0.1 | 11.712 h |
| August | 22.5°C16.3°C | 16.3°C | 1.0 | 0.1 | 11.812 h |
| September, selected | 22.7°C16.6°C | 16.6°C | 2.2 | 0.6 | 12.112 h |
| October | 23.1°C16.8°C | 16.8°C | 3.9 | 1.0 | 12.312 h |
| November | 23.8°C17.4°C | 17.4°C | 4.4 | 1.0 | 12.512 h |
| December | 25.0°C18.9°C | 18.9°C | 9.0 | 2.2 | 12.613 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
- Chimbote in SeptemberPeru · 117 kmHigh 20.0°C · Low 15.3°C · 1.4 mm rain
- Chiclayo in SeptemberPeru · 175 kmHigh 22.7°C · Low 16.4°C · 0.9 mm rain
- Huánuco (approximate) in SeptemberPeru · 367 kmHigh 23.6°C · Low 15.0°C · 35 mm rain
- Piura in SeptemberPeru · 372 kmHigh 28.4°C · Low 17.3°C · 2.1 mm rain
- Sullana in SeptemberPeru · 401 kmHigh 29.2°C · Low 17.3°C · 1.3 mm rain
- Loja in SeptemberEcuador · 459 kmHigh 21.9°C · Low 13.9°C · 36 mm rain
- Talara in SeptemberPeru · 465 kmHigh 24.6°C · Low 17.3°C · 1.2 mm rain
- Callao in SeptemberPeru · 484 kmHigh 20.1°C · Low 15.3°C · 3.7 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 Trujillo) is explained once on the Trujillo year overview and on the Sources, method and limits page.