What is the weather like in Lima in September?

Expect temperatures between 14°C and 19°C with 0% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Lima in September?

Lima in September scores 61/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Lima in September?

September in Lima is ideal for: Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers, Adventure seekers.

Lima Weather in September | 30-Year Forecast

Avg High

19°C

Hottest around day 30

Avg Low

14°C

Coolest around day 1

Rainy Days

0days

0% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Pacific Ocean(Océano Pacífico)

17.7°C

Monthly Average

Water Feel

💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating

🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water

Pacific Ocean

Océano Pacífico

Lima coastline

Essential Travel Info for Lima

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

PEN

S/ Peruvian sol

Language

Aymara

+2 more

Driving

Right side

Safety

Moderate Safety

GPI: 2.091

Travel Intelligence

Exclusive flight analytics & health data for Lima

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

58/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jul

Low

Nov

Monthly Traffic Distribution

256

Jan

252

Feb

255

Mar

275

Apr

275

May

267

Jun

275

Jul

257

Aug

261

Sep

240

Oct

237

Nov

274

Dec

Traffic Level

Low Season

Key Connections

Cusco Alejandro Velasco Astete (CUZ)

Arequipa Rodríguez Ballón (AQP)

Santiago Comodoro Arturo Merino Benítez (SCL)

Tarapoto Cadete FAP Guillermo Del Castillo Paredes (TPP)

Chiclayo Capitan FAP Jose A Quinones Gonzales (CIX)

Health & Safety Advisory

CDC travel health recommendations

9 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Peru.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Peru. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Peru.

Malaria

CDC recommends that travelers going to certain areas of Peru take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas of the country <2,500 m (<8,200 ft) elevation east of the Andes, including the cities of Iquitos and Puerto MaldonadoRare cases in Tumbes and Piura regionsNo malaria transmission in the following areas: Lima Province; the cities of Arequipa, Ica, Moquegua, Nazca, Puno, or Tacna; the highland tourist areas (the city of Cusco, Machu Picchu, Lake Titicaca); along the central and southern Pacific CoastDrug resistanceChloroquineSpeciesP. vivax(80%)P. falciparum(20%)Recommended chemoprophylaxisAreas <2,500m (<8,200 ft) elevation east of the Andes (see map): Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine2All other areas with malaria transmission (see map): No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

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Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Lima?

👌Decent conditions for most activities(61/100)

Short Answer

Popular September in Lima offers 19°C and 0% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

82% average humidity

Rough sea conditions

2.09m average wave height - Surfers Only

Peak tourist season

95% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 0% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Chagas disease (American Trypanosomiasis)

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 19.3°C, 0% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 100/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather
🎯
Adventure seekers
2.09m waves - good for surfing and water sports

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 17.7°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
82% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Lima in September averages 19°C with 0% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Lima in September

What are the temperatures in Lima in September?

Daytime highs average 19°C, nights drop to 14°C. Temperatures remain fairly consistent.

How many rainy days in Lima in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Lima in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Lima?

This is typically peak season with higher prices. Book 2-3 months ahead.

Lima Weather in September