Sacred Valley
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Sacred Valley Weather in September

Sacred Valley in September averages 14°C (57°F) during the day and 3°C (37°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Sacred Valley in September

Historically, approximately 9 days this month are expected to have rain, averaging 79 mm (3.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Sacred Valley in September

In September, Sacred Valley gets moderate temperatures, with highs of 14°C (57°F). Nights cool to around 3°C (37°F). Conditions are often most pleasant around the middle of the day. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Sacred Valley in September

There are approximately 195 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.

Should you favor a climate that's both dry and comfortably warm, June typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Sacred Valley Temperature in September

Min Temperature
3°C (37°F)
Max Temperature
14°C (57°F)
Chance of Rain
29%
Precipitation
79 mm (3.1 in)
Rainy days
9 days
Humidity
56% *
Sunshine
195 hours *
Percentage Sunshine
*
* Data from: Cusco, Peru (26 KM, 16 Miles).

Sacred Valley Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sacred Valley - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sacred Valley typically stay consistent throughout September, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Sacred Valley in September

Browse day-by-day weather records for Sacred Valley spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Sacred Valley historical weather extremes in September

Based on weather observations in Sacred Valley between 1991 and 2026, these are the recorded extremes during September.

  • The warmest day in September was on September 22, 1994, with a maximum of 26°C (79°F).
  • The coldest September day was on September 27, 1996, with a maximum of 11°C (52°F).
  • Sacred Valley registered its coldest September night on September 1, 2012, with temperatures dropping to -1°C (30°F).

Best Places in Peru in September

Find out more about the weather in Peru and which places have the best travel conditions in this month. See all of Peru in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Sacred Valley in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Sacred Valley in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    9/10

Sacred Valley 3-Day Forecast

More climate data for Sacred Valley

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.