S
M
T
W
T
F
S
30
85°
72°
31
84°
73°
1
85°
72°
2
83°
71°
3
83°
71°
4
84°
72°
5
84°
73°
6
83°
74°
7
82°
73°
8
83°
70°
9
83°
70°
10
84°
74°
11
84°
73°
12
81°
68°
13
83°
69°
14
81°
72°
15
Hist. Avg.
82°
69°
16
Hist. Avg.
81°
68°
17
Hist. Avg.
81°
68°
18
Hist. Avg.
81°
68°
19
Hist. Avg.
80°
67°
20
Hist. Avg.
80°
67°
21
Hist. Avg.
80°
66°
22
Hist. Avg.
79°
66°
23
Hist. Avg.
79°
66°
24
Hist. Avg.
79°
65°
25
Hist. Avg.
78°
65°
26
Hist. Avg.
78°
64°
27
Hist. Avg.
78°
64°
28
Hist. Avg.
77°
64°
29
Hist. Avg.
77°
63°
30
Hist. Avg.
77°
63°
1
Hist. Avg.
76°
62°
2
Hist. Avg.
76°
62°
3
Hist. Avg.
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Osaka
Osaka's September 2026 forecast shows daily high temperatures ranging from 81° to 85°, with overnight lows between 68° and 74°. The average high for September is 83° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Osaka. See also: October | November | December.
