End of the wetter season · Weather & things to do
Tainan in September
Little changes in Tainan from August: highs stay near 84°F (29°C), lows near 80°F (27°C), and about 9.5 in (242 mm) of rain falls.
Our comfort score puts it mid-table at 47/100, 9th of 12.
- Avg high
- 84°F (29°C)
- Avg low
- 80°F (27°C)
- Rain
- 9.5 in (242 mm)
- Humidity
- 83%
- Cloud cover
- 64%
- Daylight
- ~12 h 08 min
- Comfort score
- 47/100 · Fair
What September feels like
Highs settle around 84°F (29°C), warm enough for short sleeves.
Nights stay warm too, with lows averaging 80°F (27°C).
Humidity averages 83%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 9.5 in (242 mm) falls in the month.
Plan around September
September sits mid-table; the best months are November – March.
- Comfort improves from 42/100 in August to 47/100.
- Our Taipei, Jiufen & Taroko route recommends Oct – Dec, Mar – May, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes84°F afternoons
- Quick-dry fabrics83% average humidity
- Rain jacket and waterproof shoes9.5 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Tainan in September
With 9.5 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Du Hsiao Yueh
The 1895 original of danzai noodles, small bowls topped with shrimp and pork sauce.
Why now A sit-down stop to wait out showers in a month with 9.5 in of rain.
Tainan Beef Soup
Thin slices of raw local beef cooked by hot broth poured over, a Tainan breakfast staple.
Why now Easy to slot in when September's rain moves in.
Tainan Confucius Temple
Taiwan's first Confucian temple, built in 1665 with quiet courtyards.
Anping Old Fort
Remains of Fort Zeelandia, the Dutch colonial base built in the 1620s.
Shennong Street
Lantern-lit lane of old shophouses with small bars, cafes and studios.
Nearby in September
- Hualien and Taroko in September~111 mi · highs 84°F, 8.7 in rain · similar daytime temperatures, drier
- Taipei in September~164 mi · highs 83°F, 9.9 in rain · similar daytime temperatures, about as wet
- Jiufen and Pingxi in September~178 mi · highs 80°F, 9.9 in rain · 2°C (4°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Tainan in September: quick answers
Is September a good time to visit Tainan?
It's middling, scoring 47/100. The best months are November – March, at up to 86. Expect highs of 84°F (29°C) and 9.5 in (242 mm) of rain. Our Taipei, Jiufen & Taroko route recommends Oct – Dec, Mar – May, so September is outside its suggested window.
How hot is Tainan in September?
Average highs are 84°F (29°C) and average lows 80°F (27°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Tainan in September?
Yes: about 9.5 in (242 mm) of rain falls across September on average, the 4th-wettest month of the year. The annual total is about 74.4 in (1890 mm).
What should I pack for Tainan in September?
Bring light, breathable clothes (84°F afternoons), quick-dry fabrics (83% average humidity), rain jacket and waterproof shoes (9.5 in of rain on average) and comfortable walking shoes (most picks involve some walking).
Planning Tainan in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.