January 10° · ☂ 9 February 12° · ☂ 9 March 15° · ☂ 10 April 20° · ☂ 10 ★ May24° · ☂ 8 June 27° · ☂ 12 July 32° · ☂ 11 August 33° · ☂ 10 September 29° · ☂ 11 ★ October24° · ☂ 7 November 18° · ☂ 9 December 13° · ☂ 9 Fukuoka in September:hot, Fukuoka, Japan · Records from 2006 to 2025. Not a forecast.
Mean high 29° Hottest day 37.6° (2024)
Mean low 22° Coldest night 12.8° (2011)
Rain days 11 days 6-18 by year
Rainfall 161mm Daylight 12.9 → 11.9 h
Fukuoka's 12 months i Best: May and October
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Beach Finewarm sea and storm risk Sightseeing on foot Finemuggy and storm risk
Humidity 78% 20 muggy days
Clear days 5 days 11 overcast days
Mean wind 8 km/h Rarely windy
Sea temperature 27° 26.2-28.5° by year (last 6)
Sunrise / sunset (15th) 06:01 / 18:26 Daylight 12.9 → 11.9 h
Fukuoka in September Tropical cyclones are a concern this month. Hojoya at Hakozaki Shrine runs from September 12 to 18, with stalls lining the approach. The dates are the same every year, so it is easy to plan around.
Fukuoka in September ran hot: 29°C by day and 22°C at night. By midday the shade was the best seat in town. Rain fell on 11 days of the month on average. Year to year it swung widely, from 6 rain days in 2009 to 18 in 2025.
Highs topped 30°C on 12 days of the month on average. Mixing in indoor stops at midday made sense. The warmest year was 2024, with highs averaging 33.0°C, 3.9°C above normal.
Typhoons i 12 of the last 20 years had a tropical storm pass within 300 km this month.
Chanthu (2021), 15 km away tropical storm Nanmadol (2022), 19 km away typhoon strength Shanshan (2006), 46 km away typhoon strength 1 2 3 4 5 6 6 7 12 8 12 9 4 10 11 12
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
September 1 Wednesday 1 rain in 11 of 20 yrs 11/20 30° 24° September 2 Thursday 2 rain in 10 of 20 yrs 10/20 30° 24° September 3 Friday 3 rain in 11 of 20 yrs 11/20 31° 24° September 4 Saturday 4 rain in 7 of 20 yrs 7/20 31° 24° 1-4 rain on 49% of days 30° 24°
September 5 Sunday 5 rain in 7 of 20 yrs 7/20 30° 24° September 6 Monday 6 rain in 10 of 20 yrs 10/20 30° 24° September 7 Tuesday 7 rain in 9 of 20 yrs 9/20 30° 24° September 8 Wednesday 8 rain in 4 of 20 yrs 4/20 30° 23° September 9 Thursday 9 rain in 3 of 20 yrs 3/20 30° 23° September 10 Friday 10 rain in 5 of 20 yrs 5/20 30° 22° September 11 Saturday 11 rain in 6 of 20 yrs 6/20 30° 23° 5-11 rain on 31% of days 30° 23°
September 12 Sunday 12 rain in 9 of 20 yrs 9/20 30° 23° September 13 Monday 13 rain in 7 of 20 yrs 7/20 30° 23° September 14 Tuesday 14 rain in 7 of 20 yrs 7/20 30° 23° September 15 Wednesday 15 rain in 11 of 20 yrs 11/20 30° 23° September 16 Thursday 16 rain in 9 of 20 yrs 9/20 29° 23° September 17 Friday 17 rain in 12 of 20 yrs 12/20 29° 23° September 18 Saturday 18 rain in 8 of 20 yrs 8/20 29° 22° 12-18 rain on 45% of days 29° 23°
September 19 Sunday 19 rain in 6 of 20 yrs 6/20 29° 21° September 20 Monday 20 rain in 7 of 20 yrs 7/20 28° 21° September 21 Tuesday 21 rain in 5 of 20 yrs 5/20 28° 21° September 22 Wednesday 22 rain in 9 of 20 yrs 9/20 28° 21° September 23 Thursday 23 rain in 3 of 20 yrs 3/20 28° 21° September 24 Friday 24 rain in 5 of 20 yrs 5/20 28° 20° September 25 Saturday 25 rain in 5 of 20 yrs 5/20 28° 20° 19-25 rain on 29% of days 28° 21°
September 26 Sunday 26 rain in 2 of 20 yrs 2/20 28° 20° September 27 Monday 27 rain in 5 of 20 yrs 5/20 28° 20° September 28 Tuesday 28 rain in 6 of 20 yrs 6/20 28° 20° September 29 Wednesday 29 rain in 7 of 20 yrs 7/20 26° 20° September 30 Thursday 30 rain in 9 of 20 yrs 9/20 26° 20°
26-30 rain on 29% of days 27° 20°
1-4 rain on 49% of days 30° 24° 5-11 rain on 31% of days 30° 23° 12-18 rain on 45% of days 29° 23° 19-25 rain on 29% of days 28° 21° 26-30 rain on 29% of days 27° 20°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
September 1 Friday 1 rain in 11 of 20 yrs 11/20 30° 24° September 2 Saturday 2 rain in 10 of 20 yrs 10/20 30° 24° 1-2 rain on 53% of days 30° 24°
September 3 Sunday 3 rain in 11 of 20 yrs 11/20 31° 24° September 4 Monday 4 rain in 7 of 20 yrs 7/20 31° 24° September 5 Tuesday 5 rain in 7 of 20 yrs 7/20 30° 24° September 6 Wednesday 6 rain in 10 of 20 yrs 10/20 30° 24° September 7 Thursday 7 rain in 9 of 20 yrs 9/20 30° 24° September 8 Friday 8 rain in 4 of 20 yrs 4/20 30° 23° September 9 Saturday 9 rain in 3 of 20 yrs 3/20 30° 23° 3-9 rain on 36% of days 30° 24°
September 10 Sunday 10 rain in 5 of 20 yrs 5/20 30° 22° September 11 Monday 11 rain in 6 of 20 yrs 6/20 30° 23° September 12 Tuesday 12 rain in 9 of 20 yrs 9/20 30° 23° September 13 Wednesday 13 rain in 7 of 20 yrs 7/20 30° 23° September 14 Thursday 14 rain in 7 of 20 yrs 7/20 30° 23° September 15 Friday 15 rain in 11 of 20 yrs 11/20 30° 23° September 16 Saturday 16 rain in 9 of 20 yrs 9/20 29° 23° 10-16 rain on 39% of days 30° 23°
September 17 Sunday 17 rain in 12 of 20 yrs 12/20 29° 23° September 18 Monday 18 rain in 8 of 20 yrs 8/20 29° 22° September 19 Tuesday 19 rain in 6 of 20 yrs 6/20 29° 21° September 20 Wednesday 20 rain in 7 of 20 yrs 7/20 28° 21° September 21 Thursday 21 rain in 5 of 20 yrs 5/20 28° 21° September 22 Friday 22 rain in 9 of 20 yrs 9/20 28° 21° September 23 Saturday 23 rain in 3 of 20 yrs 3/20 28° 21° 17-23 rain on 36% of days 28° 21°
September 24 Sunday 24 rain in 5 of 20 yrs 5/20 28° 20° September 25 Monday 25 rain in 5 of 20 yrs 5/20 28° 20° September 26 Tuesday 26 rain in 2 of 20 yrs 2/20 28° 20° September 27 Wednesday 27 rain in 5 of 20 yrs 5/20 28° 20° September 28 Thursday 28 rain in 6 of 20 yrs 6/20 28° 20° September 29 Friday 29 rain in 7 of 20 yrs 7/20 26° 20° September 30 Saturday 30 rain in 9 of 20 yrs 9/20 26° 20° 24-30 rain on 28% of days 28° 20°
1-2 rain on 53% of days 30° 24° 3-9 rain on 36% of days 30° 24° 10-16 rain on 39% of days 30° 23° 17-23 rain on 36% of days 28° 21° 24-30 rain on 28% of days 28° 20°
Tap another date to change
2006 45mm
2007 5mm
2008 22mm
2009 none
2010 none
2011 8mm
2012 none
2013 none
2014 none
2015 12mm
2016 9mm
2017 87mm
2018 none
2019 none
2020 28mm
2021 36mm
2022 7mm
2023 6mm
2024 none
2025 6mm
Holidays in September (2027) September 18 to September 20 Respect for the Aged Day long weekendSeptember 23 Autumnal Equinox DaySeptember 6 Labor Day 1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)
Holidays in September (2028)
Day by day temperature i 19° 26° 32° 39° 1 8 15 22 29 30
Your trip dates, the past 20 years Trip dates September 1 (Wed) 2 (Thu) 3 (Fri) 4 (Sat) 5 (Sun) 6 (Mon) 7 (Tue) 8 (Wed) 9 (Thu) 10 (Fri) 11 (Sat) 12 (Sun) 13 (Mon) 14 (Tue) 15 (Wed) 16 (Thu) 17 (Fri) 18 (Sat) 19 (Sun) 20 (Mon) 21 (Tue) 22 (Wed) 23 (Thu) 24 (Fri) 25 (Sat) 26 (Sun) 27 (Mon) 28 (Tue) 29 (Wed) 30 (Thu) ~ September 1 (Wed) 2 (Thu) 3 (Fri) 4 (Sat) 5 (Sun) 6 (Mon) 7 (Tue) 8 (Wed) 9 (Thu) 10 (Fri) 11 (Sat) 12 (Sun) 13 (Mon) 14 (Tue) 15 (Wed) 16 (Thu) 17 (Fri) 18 (Sat) 19 (Sun) 20 (Mon) 21 (Tue) 22 (Wed) 23 (Thu) 24 (Fri) 25 (Sat) 26 (Sun) 27 (Mon) 28 (Tue) 29 (Wed) 30 (Thu) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Trip rain days Month rain days Tap a date to start, tap another to end. Each cell is that date in one year. '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '20 '21 '22 '23 '24 '25
of 20 1 Wed Pick September 1
11 2 Thu Pick September 2
10 3 Fri Pick September 3
11 6 Mon Pick September 6
10 10 Fri Pick September 10
5 11 Sat Pick September 11
6 12 Sun Pick September 12
9 13 Mon Pick September 13
7 14 Tue Pick September 14
7 15 Wed Pick September 15
11 16 Thu Pick September 16
9 17 Fri Pick September 17
12 18 Sat Pick September 18
8 19 Sun Pick September 19
6 20 Mon Pick September 20
7 21 Tue Pick September 21
5 22 Wed Pick September 22
9 23 Thu Pick September 23
3 24 Fri Pick September 24
5 25 Sat Pick September 25
5 26 Sun Pick September 26
2 27 Mon Pick September 27
5 28 Tue Pick September 28
6 29 Wed Pick September 29
7 30 Thu Pick September 30
9 Dates outside your trip are dimmed.
One row per year, one cell per day. 2009 had 6 rain days, 2025 had 18.
Fukuoka through the year Month High Low Rain days Rainfall Sea January 10° 4° 9 days 71mm 15° February 12° 4° 9 days 80mm 14° March 15° 8° 10 days 103mm 15° April 20° 12° 10 days 116mm 16° May Good 24° 16° 8 days 137mm 19° June 27° 20° 12 days 245mm 22° July 32° 25° 11 days 293mm 26° August 33° 26° 10 days 280mm 28° September 29° 22° 11 days 161mm 27° October Good 24° 16° 7 days 83mm 24° November 18° 11° 9 days 91mm 21° December 13° 6° 9 days 67mm 18°
What to pack At 29°C by day and 22°C at night with humid air, sweat hardly dried. Quick-dry fabrics beat heavy cotton, and a spare top saved the evening.
A packable rain jacket weighs almost nothing and covers 11 rain days. Leave the suede at home.
Common questions Does it rain a lot in Fukuoka in September? Over the past 20 years September averaged 11 rain days (1 mm or more) out of 30. Individual years ran from 6 in the driest to 18 in the wettest.
What should I wear in Fukuoka in September? Days averaged 29°C and nights 22°C. Pack a compact umbrella, T-shirts, sunscreen plus a hat, a swimsuit, and insect repellent.
Can you swim in Fukuoka in September? Sea surface temperature averaged 27°C in September, warm enough to stay in for a long swim. Year to year it ranged 26.2-28.5°C. Check local flags for waves and jellyfish on the day.
Is September a good time to visit Fukuoka? On warmth and rain days alone, Fukuoka's easiest months were May and October. September ranked 6 of 12.
Is Fukuoka humid in September? Mean relative humidity was 78%, with about 20 muggy days (dew point of 20°C or more) in the month.
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