One of the most beautiful areas of Taiwan
Taroko National Park in Taiwan is a must see! Expect fantastic gorges, marble cliffs, waterfalls and an abundance of hiking trails.
September in Tainan - Guantian District brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Tainan - Guantian District. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Tainan - Guantian District - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Tainan - Guantian District typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Tainan - Guantian District spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Tainan - Guantian District.
Find out more about the weather in Taiwan and which places have the best travel conditions in this month. See all of Taiwan in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Tainan - Guantian District in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Tainan - Guantian District climate overview or explore weather in Taiwan.
Where to go in September - average daytime high across popular destinations.
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