S
M
T
W
T
F
S
30
83°
70°
31
84°
71°
1
82°
73°
2
82°
72°
3
83°
69°
4
84°
70°
5
83°
69°
6
81°
71°
7
81°
74°
8
82°
72°
9
82°
69°
10
80°
70°
11
80°
68°
12
79°
70°
13
78°
70°
14
80°
68°
15
79°
67°
16
78°
68°
17
81°
68°
18
78°
66°
19
80°
65°
20
77°
64°
21
77°
65°
22
78°
68°
23
76°
69°
24
77°
63°
25
76°
63°
26
75°
64°
27
75°
66°
28
76°
64°
29
75°
63°
30
74°
62°
1
75°
61°
2
73°
61°
3
74°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chiba-shi
Chiba-shi's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 61° and 74°. The average high for September is 79° with an average low of 67°. 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 Chiba-shi. See also: October | November | December.
