S
M
T
W
T
F
S
30
90°
78°
31
89°
77°
1
90°
78°
2
91°
77°
3
90°
77°
4
91°
78°
5
90°
78°
6
91°
79°
7
90°
80°
8
91°
79°
9
90°
80°
10
91°
79°
11
91°
78°
12
91°
80°
13
91°
77°
14
90°
76°
15
Hist. Avg.
91°
78°
16
Hist. Avg.
91°
78°
17
Hist. Avg.
92°
78°
18
Hist. Avg.
92°
77°
19
Hist. Avg.
92°
77°
20
Hist. Avg.
92°
77°
21
Hist. Avg.
92°
77°
22
Hist. Avg.
93°
77°
23
Hist. Avg.
93°
76°
24
Hist. Avg.
93°
76°
25
Hist. Avg.
93°
76°
26
Hist. Avg.
93°
76°
27
Hist. Avg.
94°
76°
28
Hist. Avg.
94°
75°
29
Hist. Avg.
94°
75°
30
Hist. Avg.
94°
75°
1
Hist. Avg.
94°
75°
2
Hist. Avg.
94°
75°
3
Hist. Avg.
95°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Karachi
Karachi's September 2026 forecast shows daily high temperatures ranging from 89° to 91°, with overnight lows between 76° and 80°. The average high for September is 90° with an average low of 78°. 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 Karachi. See also: October | November | December.