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)88°F (31°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 13
- Crowds
- Medium
- Taiwan overall
- Prices
- Medium
- Taiwan overall
Verdict
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
- TaipeiHighs around 31 °C (88 °F), lows around 24 °C (75 °F), rain on about 13 daysHighs around 88 °F (31 °C), lows around 75 °F (24 °C), 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.Humid subtropical: the winter north-east monsoon brings grey drizzle to Keelung, Jiufen and Yilan Oct–Mar; plum rains May–Jun; 95 °F (35 °C) 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)88 °F (31 °C)
Apr: 26 °C (79 °F)79 °F (26 °C)
Night low
Sep: 24 °C (75 °F)75 °F (24 °C)
Apr: 19 °C (66 °F)66 °F (19 °C)
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