Cusco weather in September
Cusco in September averages 13°C (56°F) and 17 mm of rain. It is one of the driest months of the year here.
Of the twelve months in Cusco, September is the fifth coldest and the fifth driest.
- Average temp
- 13°C (56°F)
5–21°C · 41–70°F
- Rainfall
- 17 mm
Not much rain
- Sunshine
- —
What is Cusco like in September?
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Cusco in September?
A warm mid-layer
Nights drop to around 5°C (41°F).
September compared with August and October
September in Cusco is 1.3°C warmer than August and 11 mm wetter than it, which averages 12°C (53°F).
September in Cusco is 1°C cooler than October and 33 mm drier than it, which averages 14°C (58°F).
Daylight in Cusco in September
On 15 September the sun is up for 12 hours 2 minutes in Cusco, rising about 05:42 and setting about 17:43 local time.
September ends 22 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 53 minutes short of December, the longest-lit month here.
Where to stay in Cusco
Dates are a starting point for September.
Travel guides for Cusco
What to read before you book.
Cusco weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 14°C / 57°F | 159 mm |
| February | 14°C / 56°F | 133 mm |
| March | 14°C / 57°F | 106 mm |
| April | 13°C / 56°F | 36 mm |
| May | 12°C / 54°F | 7 mm |
| June | 11°C / 52°F | 3 mm |
| July | 11°C / 51°F | 5 mm |
| August | 12°C / 53°F | 6 mm |
| September | 13°C / 56°F | 17 mm |
| October | 14°C / 58°F | 50 mm |
| November | 15°C / 59°F | 78 mm |
| December | 14°C / 58°F | 127 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Cusco in September
September climate averages for Cusco, 1991–2020.
Cusco averages 13°C (56°F) in September, ranging from about 5°C (41°F) at night to 21°C (70°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. September sees only about 17 mm, so rain is unlikely to affect your plans.
No. September averages 13°C (56°F) against 14°C (58°F) in October — 1°C cooler.
September is 1.3°C warmer than August, and 11 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, August to November, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 2 minutes of daylight in mid-September, against 12 hours 55 minutes in December and 11 hours 20 minutes in June.
On 15 September, sunrise is about 05:42 and sunset about 17:43 local time. Both shift across the month — the month ends 22 minutes longer than it starts.
