01.09
tue
tue
Day
90°F
NE 6 mph
Precip.
10%
10%
Night
82°F
E 3 mph
Precip.
6%
6%
02.09
wed
wed
Day
91°F
N 2 mph
Precip.
4%
4%
Night
82°F
E 4 mph
Precip.
11%
11%
03.09
thu
thu
Day
93°F
N 4 mph
Precip.
11%
11%
Night
81°F
S 5 mph
Precip.
22%
22%
04.09
fri
fri
Day
91°F
S 1 mph
Precip.
9%
9%
Night
77°F
SW 5 mph
Precip.
36%
36%
05.09
sat
sat
Day
73°F
SW 7 mph
Precip.
55%
55%
Night
70°F
W 12 mph
Precip.
50%
50%
06.09
sun
sun
Day
84°F
W 15 mph
Precip.
2%
2%
Night
75°F
W 16 mph
Precip.
16%
16%
07.09
mon
mon
Day
77°F
W 14 mph
Precip.
16%
16%
Night
73°F
W 9 mph
Precip.
22%
22%
08.09
tue
tue
Day
84°F
N 2 mph
Precip.
7%
7%
Night
77°F
SW 5 mph
Precip.
17%
17%
09.09
wed
wed
Day
86°F
SW 6 mph
Precip.
2%
2%
Night
77°F
S 6 mph
Precip.
6%
6%
10.09
thu
thu
Day
88°F
S 16 mph
Precip.
2%
2%
Night
77°F
SE 9 mph
Precip.
7%
7%
11.09
fri
fri
Day
86°F
S 12 mph
Precip.
7%
7%
Night
75°F
S 4 mph
Precip.
7%
7%
12.09
sat
sat
Day
86°F
SE 1 mph
Precip.
11%
11%
Night
77°F
S 7 mph
Precip.
5%
5%
13.09
sun
sun
Day
88°F
S 9 mph
Precip.
4%
4%
Night
79°F
S 7 mph
Precip.
13%
13%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.3°F. The highest and lowest sea temperatures during the month were 86.9°F and 81.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 75.6°F.
Air temperature in Osaka, °F
Precipitation total in Osaka, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Osaka
Osaka on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Osaka
Local time: 00:06
September 01, tuesday
0300
81°F
NE
2 mph
2 mph
0600
79°F
W
2 mph
2 mph
0900
82°F
W
4 mph
4 mph
1200
90°F
NE
6 mph
6 mph
1500
88°F
NE
13 mph
13 mph
1800
86°F
NE
9 mph
9 mph
2100
82°F
E
7 mph
7 mph
September 02, wednesday
0000
82°F
E
3 mph
3 mph
