Fukuoka in September: weather, what to wear and what's on

Fukuoka weather in September

Averages for 1991–2020 at the JMA's Fukuoka station (2 m above sea level).

High

28.6°C (83°F)

Low

21.6°C (71°F)

Precipitation

175.1 mm

Wet days

9.7 days

Sunshine

165 hours

Highs fall 3.9°C from August and drop another 4.9°C into October.

That is 7.3°C above Fukuoka's yearly average high of 21.3°C.

Of our 14 places with temperature records, Fukuoka is the 7th warmest in September: 0.2°C cooler than Nara and 1.1°C warmer than Tokyo.

September is Fukuoka's 4th wettest month (175.1 mm).

Of our 15 places, Fukuoka has the 5th lowest precipitation in September: 3.4 mm less than Kyoto and 12.4 mm more than Hiroshima.

Rain of 1 mm or more falls on 9.7 days, and 10 mm or more on 4.6 days.

Rain of 30 mm or more in one day falls on 1.6 days, and 50 mm or more on 0.9 days.

9.1 days reach 30°C or more.

On 3.1 nights the low stays at 25°C or above.

The sun is out for 40% or more of the possible hours on 16.7 days, and 4.1 days have under 0.1 hours of sunshine.

By the JMA's cloud records, 2.3 days are clear and 12.2 are overcast.

On 15 September 2027 the sun rises at 6:01 and sets at 18:26 in Fukuoka, giving 12 hours 25 minutes of daylight (NAOJ).

Average temperature

24.7°C (76°F)

Humidity

73%

Days of 25°C or more

27.3 days

Early, mid and late September

By the last ten days of September the average high in Fukuoka is 3.3°C lower than in the first ten.

What to wear in Fukuoka in September

Warm: highs around 28.6°C

• Short sleeves or thin long sleeves, with a light layer for air-conditioning and evenings.
• A folding umbrella: rain falls on 9.7 days.

Pack

• Folding umbrella
• A light layer for air-conditioning

• Our clothing rules

Rainy season and typhoons

In an average September, 1.1 typhoons come within 300 km of the northern Kyushu region; across Japan, 3.3 come within 300 km and 1.0 make landfall (JMA, 1991–2020).

September records in Fukuoka

The extremes the JMA has measured in September at its Fukuoka station.

Hottest September day

38.0°C (100°F) on 19 September 2024 (records since 1890)

Coldest September night

7.9°C (46°F) on 27 September 1912 (records since 1890)

Wettest September day

216.5 mm on 25 September 1954 (records since 1890)

Holidays and crowds in September

National holidays in September 2027:

• Mon 20 September — Respect for the Aged Day
• Thu 23 September — Autumnal Equinox Day

• Sat 18 September to Mon 20 September: 3 days off in a row

In September 2025, hotels and inns across Fukuoka Prefecture were 69.9% full on average (9th busiest of 12 months). Foreign guests spent 621,190 nights there that month (Japan Tourism Agency). That compares with 71.2% in August and 76.3% in October.

• Japan in September: visitor numbers and busy travel days
• Holidays in September
• Silver Week

What's on in Fukuoka in September

Fukuoka before and after September

• Fukuoka in August
• Fukuoka in October
• All 12 months in Fukuoka

Other places in September

• All 15 places in September

Related items

• Fukuoka by month
• Japan in September
• Fukuoka in August
• Fukuoka in October