Climate guide for Kagoshima, Japan

Kagoshima in September

Weather, crowds & best time to visit

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

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

Weather in Kagoshima in September

Average temperature 27°C, 339 mm of rain, about 19 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

3.1/10

Ranked #11 of 12 months

Full year for Kagoshima
Avg temp
27°C
Rainfall
339 mm
Humidity
83%
Days with 6h+ sun
19
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Kagoshima scores 3.1/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 27°C, 339 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.

Kagoshima faces the Sakurajima volcano across its bay, with gardens, hot springs and Satsuma history.

September in Kagoshima: expect compromises

September averages 27°C (80°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

339 mm of rain puts this in monsoon territory — about 19 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 3.1/10 here, 11th of 12 months, against 6.8/10 in the destination's best month.

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

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? January scores 3.7 points higher here — enough to change the trip.

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 Kagoshima in September?
In September, Kagoshima averages 27°C, 339 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 3.1/10.
Is September a good time to visit Kagoshima?
September earns a 3.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Kagoshima in September?
Expect about 339 mm of rain in September. Average humidity is 83% and there are about 19 days with 6+ hours of sunshine.

Curated in Kagoshima

Tickets & experiences

Things to do in Kagoshima

Kagoshima, Japan. Live activities and tours from GetYourGuide, matched to this destination.