Measurements:
°C
°F
CURRENT WEATHER
08:50
Osaka
70°F
S 8 mph
Feels like: 70°F
Precip: 89%
World Resorts Japan Osaka Weather

7 Day Weather Forecast

09.29
tue
DAY
68°F
SW 6 mph
precip
74%
NIGHT
68°F
SW 5 mph
precip
14%
09.30
wed
DAY
80°F
SW 6 mph
precip
2%
NIGHT
74°F
W 3 mph
precip
8%
10.01
thu
DAY
84°F
NE 8 mph
precip
2%
NIGHT
70°F
S 12 mph
precip
3%
10.02
fri
DAY
78°F
S 12 mph
precip
1%
NIGHT
64°F
S 6 mph
precip
3%
10.03
sat
DAY
78°F
SW 8 mph
precip
2%
NIGHT
68°F
SW 7 mph
precip
8%
10.04
sun
DAY
80°F
S 13 mph
precip
1%
NIGHT
68°F
S 11 mph
precip
4%
10.05
mon
DAY
72°F
S 19 mph
precip
12%
NIGHT
66°F
S 16 mph
precip
14%

Osaka Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Osaka was 27.4°F. The maximum and minimum values were 26.1°F and 29.6°F respectively.

Osaka on the Weather Map

Best Time to Visit Osaka
The most sunny months:
May 16 days
August 16 days
October 15 days
The most warm months:
August 96.3 °F
July 92.8 °F
September 88.1 °F
Warmest sea temperature:
August 86.3 °F
September 82.9 °F
July 82.7 °F
The most cold months:
January 46.3 °F
February 48.5 °F
December 51.0 °F
The most rainy months:
June 7 days
July 6 days
September 6 days
The most windy months:
January 7 mph
December 7 mph
February 7 mph
more details