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When to go · Taipei

Taipei in September

Mixed month. Still hot; typhoon risk; Mid-Autumn some years.

Key facts

Verdict
Mixed
Temperature
31°C (88°F) / 24°C (75°F)
average high / low
Rain days
13
Crowds
Medium
Taiwan overall
Prices
Medium
Taiwan overall

Verdict

MixedVoykit month rating for Taipei

Still hot; typhoon risk; Mid-Autumn some years.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages
  • TaipeiHighs around 31 °C (88 °F), lows around 24 °C (75 °F), rain on about 13 days
  • North and Taipei, Taiwan · Taipei, Keelung, Jiufen, Yilanstorm or typhoon risk

    Humid subtropical: the winter north-east monsoon brings grey drizzle to Keelung, Jiufen and Yilan Oct–Mar; plum rains May–Jun; 35 °C (95 °F) afternoons Jul–Aug.

Autumn season

Clearer skies from October, warm evenings and the best walking weather.

Watch: September typhoons and October holiday crowds.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Ghost Month check

    The seventh lunar month (check) · Whole city

    Offerings and rituals; fewer weddings and moves, so hotel prices dip.

  • Mid-Autumn Festival check

    Fifteenth day of the eighth lunar month (check) · Whole city

    Moon-viewing and barbecues; a public holiday.

  • Teachers' Day (Confucius's birthday)

    28 Sep · Taiwan

    Dawn rites at Confucius temples in Taipei and Tainan; made a public holiday again from 2025 — check.

Crowds and prices

Crowds · Taiwan overall
Medium
Prices · Taiwan overall
Medium

Taiwan overall: Typhoons still likely; Mid-Autumn long weekend in some years.

Compare two months

Weather, crowds and prices for any two months in Taipei, side by side.

  • Verdict

    Sep: Mixed

    Apr: Great (better)

  • Daytime high

    Sep: 31 °C (88 °F)

    Apr: 26 °C (79 °F)

  • Night low

    Sep: 24 °C (75 °F)

    Apr: 19 °C (66 °F)

  • Rain days

    Sep: 13

    Apr: 13

  • Crowds

    Sep: Medium

    Apr: Medium

  • Prices

    Sep: Medium

    Apr: Medium

  • Festivals listed

    Sep: 3

    Apr: 2

September: Still hot; typhoon risk; Mid-Autumn some years.

April: Warm; Tomb Sweeping long weekend.

Taipei: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across Taiwan in September →