September · Peru
Best time to visit Machu Picchu in September Weather, crowds & prices
Weather in Machu Picchu in September
Average temperature 14°C, 151 mm of rain, about 29 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.6/10
Ranked #5 of 12 months
- Avg temp
- 14°C
- Rainfall
- 151 mm
- Humidity
- 75%
- Days with 6h+ sun
- 29
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Machu Picchu scores 6.6/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 14°C, 151 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Andean citadel mornings feel clearest in the wet-season shoulder from November through March.
September in Machu Picchu — middling scores, decent value
Temperatures hover around 14°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
151 mm of rain makes this a wet month here, though with about 29 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.6/10 on the same scale — 5th of 12 months, versus 9.4/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
If your dates are flexible, July is materially better in Machu Picchu — 2.8 points higher on the same scale.
Frequently asked
- What is the weather like in Machu Picchu in September?
- In September, Machu Picchu averages 14°C, 151 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 6.6/10.
- Is September a good time to visit Machu Picchu?
- September earns a 6.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Machu Picchu in September?
- Expect about 151 mm of rain in September. Average humidity is 75% and there are about 29 days with 6+ hours of sunshine.
Curated in Machu Picchu
Tickets & experiences
Things to do in Machu Picchu
Machu Picchu, Peru. Live activities and tours from GetYourGuide, matched to this destination.