Peru weather in September
Peru in September averages 17°C (63°F), 1 mm of rain and 1.2 hours of sun a day. It is one of the driest months of the year here.
Of the twelve months in Peru, September is the second coldest and the fourth dullest.
- Average temp
- 17°C (63°F)
15–19°C · 59–66°F
- Rainfall
- 1 mm
Not much rain
- Sunshine
- 1.2 h
hours per day
What is Peru 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 Peru in September?
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Peru is about the same temperature as August and about as wet as it, which averages 17°C (62°F).
September in Peru is 0.7°C cooler than October and about as wet as it, which averages 18°C (64°F).
Daylight in Peru in September
On 15 September the sun is up for 12 hours 2 minutes in Peru, rising about 06:02 and setting about 18:04 local time.
September ends 19 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 48 minutes short of December, the longest-lit month here.
Travel guides for Peru
What to read before you book.
Peru 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 | 23°C / 74°F | 1 mm |
| February | 24°C / 76°F | 1 mm |
| March | 24°C / 75°F | 0 mm |
| April | 22°C / 71°F | 0 mm |
| May | 19°C / 67°F | 1 mm |
| June | 18°C / 64°F | 1 mm |
| July | 17°C / 63°F | 1 mm |
| August | 17°C / 62°F | 1 mm |
| September | 17°C / 63°F | 1 mm |
| October | 18°C / 64°F | 1 mm |
| November | 19°C / 67°F | 0 mm |
| December | 21°C / 70°F | 1 mm |
Check another month
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FAQs about Peru in September
September climate averages for Peru, 1991–2020.
Peru averages 17°C (63°F) in September, ranging from about 15°C (59°F) at night to 19°C (66°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 1 mm, so rain is unlikely to affect your plans.
No. September averages 17°C (63°F) against 18°C (64°F) in October — 0.7°C cooler.
September is about as warm as August, and about as wet.
It is outside the easiest window. The most comfortable stretch here is February to May; September sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 1.2 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
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 50 minutes in December and 11 hours 25 minutes in June.
On 15 September, sunrise is about 06:02 and sunset about 18:04 local time. Both shift across the month — the month ends 19 minutes longer than it starts.
