Puno weather in September
September in Puno: cool, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Puno · #231 of 604 destinations to visit in September · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Puno climate normals — September
| Daytime high | 17°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 43 mm / 1.7 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 41% | 🍃 comfortable |
| Dew point | -5°C / 23°F | |
| Sunshine | 11 h/day | |
| Daylight | 12 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 1.6 cm / 0.6 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Puno?
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Puno in September — FAQ
- Is September a good time to visit Puno?
- September in Puno: cool, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Puno on SeasonMap's comfort score (84/100).
- What is the weather like in Puno in September?
- In September, Puno averages a daily high of 16.5°C and a low of 2.9°C, with about 43.3 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Puno in September?
- Puno has a mean US Air Quality Index of about 42 in September.
- Does it snow in Puno in September?
- Puno sees roughly 1.6 cm of snowfall in September.