S
M
T
W
T
F
S
30
75°
68°
31
81°
72°
1
81°
72°
2
86°
73°
3
88°
72°
4
79°
70°
5
79°
68°
6
73°
72°
7
77°
72°
8
82°
72°
9
88°
66°
10
70°
64°
11
70°
64°
12
72°
68°
13
75°
68°
14
90°
70°
15
81°
72°
16
72°
68°
17
73°
64°
18
73°
68°
19
73°
68°
20
73°
70°
21
81°
70°
22
N/A
23
73°
70°
24
82°
68°
25
79°
66°
26
72°
64°
27
75°
64°
28
N/A
29
72°
63°
30
68°
63°
1
79°
63°
2
70°
64°
3
72°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chiba-shi
Chiba-shi's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
