Climate averages 1991–2020
Huancayo weather
in September.
A cool, wet month: the joint 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a cool month in Huancayo: daytime highs average 13.8°C and nights cool to about 4.3°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 90 mm of rain on roughly 24 days, which makes September a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average September day.
The nearest other city in this atlas is Chosica (164 km away). In September its highs average 23.9°C, 10.1°C warmer than Huancayo, with 4.0 mm of rain.
Among the 24 cities listed in Peru, Huancayo ranks 24th of 24 for the warmest September highs and 20th of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 23.3°C; Huancayo is 9.5°C cooler than that mean.
From September to October, average highs rise by 0.4°C to 14.1°C, and monthly rainfall rises from 90 mm to 147 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
Huancayo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.8°C6.1°C | 6.1°C | 243 | 29.5 | 12.713 h |
| February | 13.6°C6.3°C | 6.3°C | 250 | 27.3 | 12.512 h |
| March | 13.5°C6.3°C | 6.3°C | 222 | 30.0 | 12.212 h |
| April | 13.6°C5.6°C | 5.6°C | 113 | 24.9 | 11.812 h |
| May | 13.6°C4.5°C | 4.5°C | 53 | 15.7 | 11.612 h |
| June | 13.3°C3.3°C | 3.3°C | 24 | 7.4 | 11.411 h |
| July | 13.2°C2.6°C | 2.6°C | 24 | 8.1 | 11.511 h |
| August | 13.7°C3.3°C | 3.3°C | 44 | 13.6 | 11.712 h |
| September, selected | 13.8°C4.3°C | 4.3°C | 90 | 23.7 | 12.012 h |
| October | 14.1°C5.2°C | 5.2°C | 147 | 27.7 | 12.412 h |
| November | 14.6°C5.4°C | 5.4°C | 153 | 26.4 | 12.713 h |
| December | 14.2°C6.0°C | 6.0°C | 214 | 28.4 | 12.813 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
- Chosica in SeptemberPeru · 164 kmHigh 23.9°C · Low 17.7°C · 4.0 mm rain
- Chincha Alta in SeptemberPeru · 180 kmHigh 22.9°C · Low 16.0°C · 0.1 mm rain
- Santa Anita - Los Ficus in SeptemberPeru · 192 kmHigh 19.0°C · Low 14.2°C · 1.6 mm rain
- Lima in SeptemberPeru · 198 kmHigh 21.2°C · Low 15.6°C · 1.6 mm rain
- Callao in SeptemberPeru · 209 kmHigh 20.1°C · Low 15.3°C · 3.7 mm rain
- Ica in SeptemberPeru · 230 kmHigh 26.6°C · Low 16.1°C · 0.1 mm rain
- Huánuco (approximate) in SeptemberPeru · 263 kmHigh 23.6°C · Low 15.0°C · 35 mm rain
- Abancay in SeptemberPeru · 306 kmHigh 21.0°C · Low 10.7°C · 41 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 Huancayo) is explained once on the Huancayo year overview and on the Sources, method and limits page.