Weather in Fukuoka: September
| Average day temperature: | 82.4°F | |
| Average night temperature: | 71.2°F | |
| Sea water temperature: | 78.8°F | |
| Number of sunny days: | 10 days | |
| Day length: | 11.9 - 12.9 hours | |
| Number of rainy days: | 8 days | |
| Precipitation totals: | 5.9 in. | |
| more information | ||
14 days
forecast
forecast
| Fukuoka |
sea water
temperature
temperature
| Fukuoka |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 90°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during September were 84.0°F and 75.3°F.
Sea water temperature in Fukuoka in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 79.7°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Fukuoka in September is 6.0 in.
Wind speed in September, mph
The average wind speed value in September is 6.8 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.2.
Best time for vacation in Fukuoka
Fukuoka on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Fukuoka
Local time: 14:24
February 24, tuesday
1500

52°F
SW
3 mph
3 mph
1800

50°F
W
5 mph
5 mph
2100

50°F
W
6 mph
6 mph
February 25, wednesday
0000

52°F
SW
12 mph
12 mph
0300

50°F
SW
11 mph
11 mph
0600

50°F
SW
13 mph
13 mph
0900

50°F
SW
12 mph
12 mph
1200

54°F
SW
13 mph
13 mph



























