What is the weather like in Valparaíso in September?

Expect temperatures between 10°C and 16°C with 7% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Valparaíso in September?

Valparaíso in September scores 61/100 based on 30 years of climate data. Worthwhile timing with some trade-offs.

Who should visit Valparaíso in September?

September in Valparaíso is ideal for: Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples, Business travelers.

Valparaíso Weather in September | 30-Year Forecast

Avg High

16°C

Hottest around day 22

Avg Low

10°C

Coolest around day 5

Rainy Days

0days

7% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

12.1°C

Monthly Average

Water Feel

🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating

❄️Cold water hazard

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Valparaíso coastline

Valparaíso September Weather Calendar

Click any day to see detailed weather information

Day 1

Nice

15°C8%

Day 2

Nice

15°C6%

Day 3

Nice

15°C7%

Day 4

Nice

15°C9%

Day 5

Nice

15°C11%

Day 6

Nice

15°C11%

Day 7

Nice

15°C11%

Day 8

Nice

15°C11%

Day 9

Nice

15°C12%

Day 10

Nice

15°C11%

Day 11

Nice

15°C10%

Day 12

Nice

16°C9%

Day 13

Nice

16°C7%

Day 14

Nice

16°C4%

Day 15

Nice

16°C1%

Day 16

Nice

16°C4%

Day 17

Nice

16°C5%

Day 18

Nice

16°C8%

Day 19

Nice

16°C10%

Day 20

Nice

16°C10%

Day 21

Nice

16°C6%

Day 22

Nice

16°C6%

Day 23

Nice

16°C2%

Day 24

Nice

16°C3%

Day 25

Nice

16°C4%

Day 26

Nice

16°C4%

Day 27

Nice

16°C5%

Day 28

Nice

16°C7%

Day 29

Nice

16°C6%

Day 30

Nice

16°C6%

Essential Travel Info for Valparaíso

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CLP

$ Chilean peso

Language

Spanish

Driving

Right side

Safety

High Safety

GPI: 1.84

Travel Intelligence

Exclusive flight analytics & health data for Valparaíso

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

54/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jan

Low

Jul

Monthly Traffic Distribution

242

Jan

234

Feb

215

Mar

218

Apr

239

May

238

Jun

179

Jul

223

Aug

223

Sep

223

Oct

223

Nov

223

Dec

Traffic Level

Low Season

Key Connections

Calama El Loa (CJC)

Antofagasta Cerro Moreno (ANF)

Lima Jorge Chávez (LIM)

Port Montt El Tepual (PMC)

Concepción Carriel Sur (CCP)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations

COVID-19

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

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Chile.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 Chile. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Chile.

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.

Rabies

Dogs infected with rabies are not commonly found in Chile.Rabies is present in bats.If rabies exposures occur while in Chile, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Typhoid

Recommended for most travelers, especially those staying with friends or relatives or visiting smaller cities or rural areas.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Valparaíso?

👌Worthwhile timing with some trade-offs(61/100)

Short Answer

Valparaíso in September features 12.1°C seas - too cold for swimming but stunning for coastal walks. Air temperatures average 16°C with 7% rain probability.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

132 earthquakes recorded in this month (30-year data)

Very high humidity

83% average humidity

Rough sea conditions

2.07m average wave height - Surfers Only

Peak tourist season

92% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 7% rain probability - ideal for outdoor activities

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 15.7°C, 7% rain chance
📸
Photographers
9.9h sunshine, 53% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 95/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 12.1°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
83% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Valparaíso in September averages 16°C with 7% precipitation probability."

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

Frequently Asked Questions: Valparaíso in September

What are the temperatures in Valparaíso in September?

Daytime highs average 16°C, nights drop to 10°C. Temperatures remain fairly consistent.

How many rainy days in Valparaíso in September?

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

What to wear in Valparaíso in September?

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

Is September peak season in Valparaíso?

This is shoulder season—moderate prices and manageable crowds.

Valparaíso Weather in September

Sea Temperature in September

Valparaíso September Weather Calendar

Essential Travel Info for Valparaíso

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Typhoid

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Valparaíso in September

What are the temperatures in Valparaíso in September?

How many rainy days in Valparaíso in September?

What to wear in Valparaíso in September?

Is September peak season in Valparaíso?