Fukuoka in September

In September, Fukuoka averages 27°C (80°F) during the day and 21°C (69°F) at night, with frequent rain — about 22 days of the month see precipitation (232 mm total).

Off-peak

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak typhoon season in Fukuoka during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

27°C
Avg high
21°C
Avg low
22
Rain days
232 mm
Rainfall

How September compares to the rest of the year in Fukuoka

3rd
warmest month of the 12
3rd
wettest month of the 12
13%
of yearly rainfall falls in September
12 h 25 min
daylight on the 15th

September is one of the warmest months in Fukuoka (3rd of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 7°C above the annual average (20°C). September runs 4°C cooler than August (31°C) and cools 5°C in October (22°C).

September sunrise & sunset in Fukuoka

🌅
Sunrise (15th)
6:01 AM
🌇
Sunset (15th)
6:26 PM
Day length
12 h 25 min

Times shown for Fukuoka local time (Asia/Tokyo), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Fukuoka — September

Golden-hour and blue-hour windows for the 15th of September, in Fukuoka's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:01 AM – 5:41 AM
🌄 Golden hour (AM)
5:41 AM – 6:41 AM
🌇 Golden hour (PM)
5:46 PM – 6:46 PM
🌆 Blue hour (PM)
6:46 PM – 7:26 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Fukuoka.

📅 When to book — Fukuoka in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Fukuoka's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — September in Fukuoka

Off-peak

This is off-peak for Fukuoka — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: peak hazard season (1 active)

Sun & mosquito risk — September in Fukuoka

☀️ UV Index (noon, 15th)
10.6
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Fukuoka in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 9°C / 48°F 3°C / 38°F 85 mm 16
February 10°C / 50°F 3°C / 38°F 78 mm 16
March 14°C / 58°F 7°C / 44°F 124 mm 16
April 19°C / 65°F 11°C / 51°F 147 mm 15
May 23°C / 74°F 15°C / 59°F 152 mm 15
June 26°C / 78°F 19°C / 67°F 246 mm 20
July 30°C / 85°F 24°C / 74°F 275 mm 24
August 31°C / 87°F 25°C / 76°F 250 mm 23
September 27°C / 80°F 21°C / 69°F 232 mm 22
October 22°C / 71°F 15°C / 59°F 94 mm 14
November 17°C / 62°F 10°C / 50°F 82 mm 14
December 11°C / 51°F 5°C / 41°F 78 mm 15

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Fukuoka in September →

Frequently asked questions

How hot is Fukuoka in September?

In September, Fukuoka averages a high of 27°C (80°F) and a low of 21°C (69°F) — generally warm.

Does it rain a lot in Fukuoka in September?

September is quite rainy in Fukuoka, with about 22 rainy days on average.

Is September a good time to visit Fukuoka?

September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Fukuoka in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Fukuoka for a complete, climate-based checklist.

Open Fukuoka on the interactive map

Check the live 10-day forecast and sunrise/sunset.