Climate guide for Kaohsiung, Taiwan

Kaohsiung in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Taiwan

Best time to visit Kaohsiung in September Weather, crowds & prices

Weather in Kaohsiung in September

Average temperature 29°C, 160 mm of rain, about 20 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

3.6/10

Ranked #10 of 12 months

Full year for Kaohsiung
Avg temp
29°C
Rainfall
160 mm
Humidity
80%
Days with 6h+ sun
20
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Kaohsiung scores 3.6/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 29°C, 160 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.

Kaohsiung is Taiwan's harbour city, with a lagoon, temples and the Love River running through it.

September in Kaohsiung — the hardest end of the year

Days in September average 29°C (85°F) and humidity near 80% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

160 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 3.6/10 on the same scale — 10th of 12 months, versus 8.5/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, January is materially better in Kaohsiung — 4.9 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Kaohsiung in September?
In September, Kaohsiung averages 29°C, 160 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 3.6/10.
Is September a good time to visit Kaohsiung?
September earns a 3.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Kaohsiung in September?
Expect about 160 mm of rain in September. Average humidity is 80% and there are about 20 days with 6+ hours of sunshine.

Curated in Kaohsiung

Tickets & experiences

Things to do in Kaohsiung

Kaohsiung, Taiwan. Live activities and tours from GetYourGuide, matched to this destination.