SeasonMapPeru in September
September is Peru's 4th-best month (rank 4 of 12): its 13 destinations average 88/100, led by Arequipa at 96 — 24°C and 0 rainy days — while Puno is cooler at 14°C and scores 82.
#4 of 12 months for Peru · 13 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Peru in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Arequipa | City | 24°C | 1 mm · 0 days | 96 tier S | Yes |
| 2 | Máncora | Beach | 28°C | 2 mm · 1 day | 95 tier S | — |
| 3 | Ica | City | 28°C | 0 mm · 0 days | 94 tier S | — |
| 4 | Lima | City | 22°C | 3 mm · 0 days | 94 tier S | — |
| 5 | Cusco | Trekking hub | 16°C | 30 mm · 10 days | 93 tier S | — |
| 6 | Trujillo | City | 23°C | 3 mm · 1 day | 93 tier S | — |
| 7 | Huaraz | Trekking hub | 19°C | 127 mm · 26 days | 88 tier A | — |
| 8 | Ollantaytambo | Trekking hub | 20°C | 107 mm · 26 days | 88 tier A | — |
| 9 | Chachapoyas | Trekking hub | 20°C | 138 mm · 25 days | 87 tier A | — |
| 10 | Aguas Calientes | Trekking hub | 21°C | 100 mm · 23 days | 86 tier A | — |
| 11 | Paracas | Beach | 21°C | 0 mm · 0 days | 86 tier A | — |
| 12 | Puno | City | 14°C | 43 mm · 10 days | 82 tier A | Yes |
| 13 | Iquitos | City | 32°C | 149 mm · 19 days | 65 tier C | Yes |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.