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Peru Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Peru in September.

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Lima Cusco Arequipa Iquitos

Planning a journey to Peru this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Peru in September

In September, Peru experiences a range of weather conditions, with temperatures that range from cold to very warm and precipitation levels ranging from almost none to heavy.

Temperatures

During the day the temperature is cold in Huancavelica at 11°C (52°F) and very warm in Iberia at 33°C (91°F). As night falls, temperatures generally drop to 21°C (70°F) in Iberia and 0°C (32°F) in Huancavelica.

To explore the conditions in Peru in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From almost no rainfall in Paracas with an average of 0.7 mm (0.03 in) to heavy rainfall in Huanuco with 244 mm (9.6 in).

Average sunshine

Sunshine hours are generally lower in most areas during September. Lima experiences about 39 hours of sunlight. If you're looking for brighter destinations, our weather planner can suggest better options.

Explore Peru by month

Pick a month to see the average temperature, rainfall and sunshine in Peru - and find the best time to visit. (based on Lima)

January25°C (77°F) February25°C (77°F) March25°C (77°F) April23°C (73°F) May22°C (72°F) June21°C (70°F) This monthJuly20°C (68°F) August19°C (66°F) September20°C (68°F) October20°C (68°F) November21°C (70°F) December23°C (73°F)
Best Time to Visit Peru →

Best Places to Visit in Peru in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Peru.

Conditions Temperatures Precipitation
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).

Popular Destinations in Peru

What is the weather like in September for some of the most popular destinations in Peru?

Temperature range in Peru (September)

Precipitation variation in Peru (September)

Lima

In September Lima generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are excellent that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
20°C (68°F)
20°C (68°F)
Min temperature
15°C (59°F)
16°C (61°F)
16°C (61°F)
Monthly sun hours
32 hours
39 hours
66 hours
Monthly rainfall
17 mm (0.7 in)
15 mm (0.6 in)
13 mm (0.5 in)
Monthly rainy days
2 days
2 days
a single day
Weather conditions
excellent
excellent
excellent
Climate in Lima →

Cusco

In September Cusco generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
16°C (61°F)
17°C (63°F)
17°C (63°F)
Min temperature
2°C (36°F)
4°C (39°F)
6°C (43°F)
Monthly sun hours
231 hours
195 hours
198 hours
Monthly rainfall
28 mm (1.1 in)
50 mm (2 in)
98 mm (3.9 in)
Monthly rainy days
4 days
8 days
10 days
Weather conditions
very good
good
good
Climate in Cusco →

Arequipa

In September Arequipa generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 7°C (45°F) and almost no monthly rainfall. So on average the conditions are excellent that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
20°C (68°F)
20°C (68°F)
Min temperature
6°C (43°F)
7°C (45°F)
8°C (46°F)
Monthly sun hours
311 hours
298 hours
305 hours
Monthly rainfall
0 mm (0 in)
1 mm (0.04 in)
3 mm (0.1 in)
Monthly rainy days
a single day
3 days
3 days
Weather conditions
excellent
excellent
excellent
Climate in Arequipa →

Puno

In September Puno generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
17°C (63°F)
17°C (63°F)
Min temperature
1°C (34°F)
2°C (36°F)
4°C (39°F)
Monthly rainfall
25 mm (1 in)
59 mm (2.3 in)
88 mm (3.5 in)
Monthly rainy days
3 days
6 days
7 days
Weather conditions
very good
good
good
Climate in Puno →

Machu Picchu

In September Machu Picchu generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are mixed that month.

« August
September
October »
August
September
October
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
4°C (39°F)
5°C (41°F)
7°C (45°F)
Monthly sun hours
231 hours
195 hours
198 hours
Monthly rainfall
74 mm (2.9 in)
106 mm (4.2 in)
164 mm (6.5 in)
Monthly rainy days
3 days
8 days
9 days
Weather conditions
good
mixed
mixed
Climate in Machu Picchu →

Is your destination not in the list? Have a look at all destinations in Peru.

Popular cities in September

Day & night temperatures, rainfall and average weather in Peru in September.

City Weather Day temp Night temp Rainfall
Lima 20°C (68°F) 16°C (61°F) 15 mm (0.6 in)
Cusco 17°C (63°F) 4°C (39°F) 50 mm (2 in)
Arequipa 20°C (68°F) 7°C (45°F) 1 mm (0.04 in)
Iquitos 32°C (90°F) 23°C (73°F) 192 mm (7.6 in)
Cajamarca 18°C (64°F) 7°C (45°F) 167 mm (6.6 in)
Piura 30°C (86°F) 18°C (64°F) 2.4 mm (0.1 in)

Peru weather in September: frequently asked questions

What is the weather like in Peru in September?

September in Peru brings excellent weather. In Lima, daytime temperatures are typically around 20°C (68°F) and nighttime lows hover near 16°C (61°F).

What is the average temperature in Peru in September?

In Lima, the average daytime high in September is 20°C (68°F), while nighttime temperatures drop to around 16°C (61°F).

Does Peru get a lot of rain in September?

Not particularly. Lima averages just 15 mm (0.6 in) of rain in September, making it a mostly dry month for Peru.

Is September a Good Time to Visit Peru?

Given the typically excellent weather conditions in Lima, September might be a good time to visit Peru. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Peru is in with generally excellent weather in Lima.

Interested in more climate information?

We have much more information about the climate in Peru.

Weather and climate has detailed information for every country in the world. Are you going to Peru? Get detailed historical weather averages for many cities in Peru.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

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

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Few walking tours speak so much to the imagination as the Inca Trail to Machu Picchu. The tour leads through beautiful mountain landscapes and it is called the 'Royal Highway'
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Must visit in Peru →