End of the drier season · Weather & things to do
Sacred Valley in September
Little changes in Sacred Valley from August: highs stay near 64°F (18°C), lows near 43°F (6°C), and about 0.7 in (18 mm) of rain falls.
At 92/100 for comfort (4th of 12), it's one of the best months to visit.
- Avg high
- 64°F (18°C)
- Avg low
- 43°F (6°C)
- Rain
- 0.7 in (18 mm)
- Humidity
- 72%
- Cloud cover
- 54%
- Daylight
- ~11 h 56 min
- Comfort score
- 92/100 · Great
What September feels like
Expect mild afternoons around 64°F (18°C), good for long walks.
Mornings start much cooler: lows average 43°F (6°C), about 12°C (22°F) below the afternoon high.
It's one of the drier stretches, with only about 0.7 in (18 mm) of rain.
Plan around September
September is one of Sacred Valley's best months on the climate data.
- Last dry month before the rain picks up: October brings 2.5 in (63 mm).
- Comfort slips from 95/100 in August to 92/100.
- September sits inside the May – Sep window our Cusco & Machu Picchu route recommends.
What to pack for September
- A warm layer for eveningslows near 43°F
- Comfortable walking shoesmost picks involve some walking
What to do in Sacred Valley in September
With conditions on your side, the picks below favor time outside.
Huacatay
Garden restaurant in Urubamba serving Novoandina cooking.
Why now September scores 92/100 for comfort, good conditions for being outside.
Moray
Concentric circular Inca terraces believed to have been an agricultural test site.
Pisac Archaeological Park
Terraced Inca citadel high above the town with temples and cliff tombs.
Why now Highs near 64°F and 0.7 in of monthly rain make this an easy outdoor pick.
Cervecería del Valle Sagrado
Craft brewery and taproom on the valley road near Ollantaytambo.
Pisac Market
Craft and produce market around Pisac's plaza, liveliest on Sundays.
Why now One to do outside while the weather is on your side.
Nearby in September
- Cusco in September~16 mi · highs 63°F, 0.7 in rain · similar daytime temperatures, about as wet
- Machu Picchu in September~33 mi · highs 71°F, 0.9 in rain · 4°C (6°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~3,740 m to Sacred Valley's ~3,210 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Sacred Valley in September: quick answers
Is September a good time to visit Sacred Valley?
Yes. On the climate data it's one of the best months, scoring 92/100. Expect highs of 64°F (18°C) and 0.7 in (18 mm) of rain. September is inside the May – Sep window our Cusco & Machu Picchu route recommends.
How hot is Sacred Valley in September?
Average highs are 64°F (18°C) and average lows 43°F (6°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Sacred Valley in September?
Not much: about 0.7 in (18 mm) of rain falls across September on average, the 5th-driest month of the year. The annual total is about 28.3 in (718 mm).
What should I pack for Sacred Valley in September?
Bring a warm layer for evenings (lows near 43°F) and comfortable walking shoes (most picks involve some walking).
More on Sacred Valley
Routes in season in September
- Cusco & Machu Picchu May – Sep
Planning Sacred Valley in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.