Kagoshima weather in October

October in Kagoshima: warm, rainy, with muggy air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Kagoshima🇯🇵 Japan · Mainland Japan · City78
  1. 70Jan
  2. 68Feb
  3. 74Mar
  4. 82Apr
  5. 72May
  6. 49Jun
  7. 45Jul
  8. 52Aug
  9. 55Sep
  10. 78Oct
  11. 84Nov
  12. 75Dec

#3 of 12 months in Kagoshima · #619 of 1413 destinations to visit in October · comfort 78/100 (tier B)

Days
26°C
Nights
19°C
Wet days
10
Sun
8 h
Humidity
79%
Daylight
11 h
Kagoshima, Japan
Photo: Jiayu Wu · Pexels

Traveller notes on Kagoshima in October

Kagoshima's forum calls Kyushu genuinely warmer than the rest of Japan in October and November, warm early in the month cooling toward the end. Regulars flag October as still within typhoon season, occasionally bringing a day or two of heavy rain before conditions return to normal, and recommend a light jacket for the cooler evenings that develop later in the month.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗

Other months in Kagoshima

This is one of the earliest places in Japan to enter the rainy season, and regulars date it precisely - the meteorological agency has called it for southern Kyushu as early as May 11 in some years, typically late May into early June, running to about mid-July. It does not rain every day, and when it does it is rarely the tropical squall people picture; the real humidity does not bite until July. Our row already shows the shift: 263.9mm across 12.9 days, well ahead of April, at 81.1 percent humidity, though the temperature stays comfortable at 25.6C reading as 27C over 17.5C nights. Sakurajima keeps smoking through all of it regardless of the season - locals here carry a dedicated ash umbrella rather than count on a rain one. The sea is 21C. The record: 7.9 hours of sun, a 14.9 kph wind and AQI 59.
TsuyuArrivesBeforeJuneHere · May · 1 month ago · Read more on Tripadvisor ↗
Kyushu opens the blossom season and Kagoshima is among the warm places where early trees show in late March - but the board is careful about two things. Peak lasts three to five days, and it lands somewhere in the last week of March or the first of April rather than on a date you can book, so the year's forecast is the only planning tool. And late March weather here is changeable and often wet. Our row agrees emphatically: 168.3mm across 12.3 days with only 7.6 hours of sun, under 18.5C days and 9.4C nights that feel like 7C in a 16.3 kph wind. The volcano across the bay adds ash to the city whenever the wind sets that way. The record: humidity 77 percent, a 17.9C sea and AQI 54.
SouthFirstForBlossom · March · 1 month ago · Read more on Tripadvisor ↗
Regulars say you will not find snow in Kyushu in early December and that the cities are cold without being subzero - our row's 15.3C day over a 6.7C night reading as 4C is exactly that, and the 0.1cm in the snow column belongs to the hills rather than the streets. What makes Kagoshima different from any other winter city here is in the air rather than the forecast. Sakurajima sits across the bay and sheds ash even when it is not properly erupting, enough to collect on the pavements; residents live with it as routine. Our AQI of 52 measures pollution, not ash, so the column understates what you will actually notice. The record: 68.1mm across 7 precipitation days, humidity 75 percent, 7 hours of sun and a 19.1C sea.
AshNotSmog · December · 1 month ago · Read more on Tripadvisor ↗
Mid to late November is autumn-colour season in Kyushu, and the forum's rule is altitude before date: the turn starts above about 1,000m in late October and works down to the plains by late November into early December. In practice that makes Kirishima the November drive, its great torii framed by red and gold, while Sengan-en on the bay is the in-town garden, at its best in mid-autumn with chrysanthemum displays through the month. November has a reputation as one of Japan's driest months; our own row is the caution, because Kagoshima is not where that holds - 111.7mm over 8.6 precipitation days and only 7.6 hours of sun a day. The rest: 21.2C days, 12.7C nights, humidity 78 percent and a 22C sea.
AltitudeBeforeDate · November · 1 month ago · Read more on Tripadvisor ↗

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Kagoshima climate normals — October

Daytime high26°C / 79°F🌤 warm
Nighttime low19°C / 66°F
Feels like (high)28°C / 82°F
Sea temperature25°C / 78°F😎 warm sea
Rainfall126 mm / 5 in🌧 rainy
Rainy days10 days
Humidity79%💦 very humid
Dew point16°C / 61°F
Sunshine8 h/day
Daylight11.4 h
Wind13 km/h / 8 mph
Air quality (US AQI)59🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Kagoshima in October

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyMyoenji Mairi, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Kagoshima's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherKagoshima's best weather comes in April, October and November — separate windows, not one continuous season.

October includes Myoenji Mairi.

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Best weatherFair weatherToughest weather

What's on in Kagoshima in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    Myoenji Mairi

    24–25 OctMajor festivalCrowded

    On the fourth weekend of October thousands walk twenty kilometres from Terukuni Shrine to Tokushige Shrine in Hioki, many in samurai armour, remembering the Satsuma retreat at Sekigahara. It goes ahead in rain. Source ↗

What's on around the world in October →

Where is Kagoshima?

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Kagoshima in October — FAQ

Is October a good time to visit Kagoshima?
October in Kagoshima: warm, rainy, with muggy air — a great time to visit. It ranks #3 of 12 months for Kagoshima on SeasonMap's comfort score (78/100).
What is the weather like in Kagoshima in October?
In October, Kagoshima averages a daily high of 26.3°C and a low of 18.7°C, with about 126 mm of rain over roughly 10.4 rainy days.
What is the air quality in Kagoshima in October?
Kagoshima has a mean US Air Quality Index of about 59 in October.