30YearWeather
Taipei in September
Taipei weather in September - Taiwan
☀️Hot & Sunny

Taipei Weather in September

Plan your September trip to Taipei, Taiwan. Based on 30 years of NASA data, expect temperatures of 30°C (high) to 24°C (low), with 33% rain probability and 8 hours of daily sunshine. The East China Sea averages 30°C in September. Pack rain gear for around 28 rainy days.

Avg High
30°C

Hottest around day 1

Avg Low
24°C

Coolest around day 30

Rainy Days
28days

33% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

East China Sea(東海)

29.6°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
East China Sea

東海

Taipei coastline

Taipei September Weather Calendar

Click any day to see detailed weather information

Currency

TWD

$ New Taiwan dollar

Language

Chinese

Driving

Right side

Connect

The freeiTaiwanis available all over the...

Safety

High Safety

GPI: 1.618

Travel Intelligence

Exclusive flight analytics & health data for Taipei

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

Major Hub
84/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Nov

Low

Apr

Monthly Traffic Distribution

332
Jan
345
Feb
340
Mar
316
Apr
331
May
475
Jun
645
Jul
674
Aug
623
Sep
629
Oct
677
Nov
650
Dec
Traffic Level
Low Season

Key Connections

Hong Kong Chek Lap Kok (HKG)
Tokyo Narita (NRT)
Osaka Kansai (KIX)
Bangkok Suvarnabhumi (BKK)
Seoul Incheon (ICN)

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 Taiwan.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 of all ages traveling to Taiwan.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

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 Taiwan.Rabies is present in some terrestrial wildlife species.If rabies exposures occur while in Taiwan, 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.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Taipei?

👌A reasonable choice for your trip
Short Answer

⚠️ September falls in Taipei's typhoon season. While daily weather averages 30°C with 33% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Oppressive heat and humidity

29.9°C with 82% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.9°C

Heat index: 38°C due to 82% humidity

Warm tropical seas

29.6°C sea temperature - Tropical Bath

Seismically active region

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

Good For

  • 🏖️
    Beach lovers

    29.6°C warm seas and 33% rain probability

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    1.29m waves - good for surfing and water sports

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    Heat index of 38°C poses health risks

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    38°C feels-like temperature creates discomfort

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Taipei in September averages 30°C with 33% precipitation probability."

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

Frequently Asked Questions: Taipei in September

What are the temperatures in Taipei in September?

Daytime highs average 30°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Taipei in September?

Expect around 28 days with measurable rainfall. An umbrella is advisable.

What to wear in Taipei in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Taipei?

This is shoulder season—moderate prices and manageable crowds.