S
M
T
W
T
F
S
30
91°
80°
31
89°
79°
1
89°
78°
2
91°
79°
3
90°
78°
4
89°
79°
5
90°
78°
6
90°
80°
7
89°
78°
8
90°
78°
9
91°
79°
10
Hist. Avg.
88°
78°
11
Hist. Avg.
88°
78°
12
Hist. Avg.
88°
78°
13
Hist. Avg.
88°
78°
14
Hist. Avg.
88°
78°
15
Hist. Avg.
88°
78°
16
Hist. Avg.
88°
78°
17
Hist. Avg.
88°
78°
18
Hist. Avg.
88°
78°
19
Hist. Avg.
88°
78°
20
Hist. Avg.
88°
78°
21
Hist. Avg.
88°
78°
22
Hist. Avg.
88°
78°
23
Hist. Avg.
88°
78°
24
Hist. Avg.
88°
78°
25
Hist. Avg.
88°
78°
26
Hist. Avg.
88°
78°
27
Hist. Avg.
88°
78°
28
Hist. Avg.
88°
78°
29
Hist. Avg.
88°
77°
30
Hist. Avg.
87°
77°
1
Hist. Avg.
87°
77°
2
Hist. Avg.
87°
77°
3
Hist. Avg.
87°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cartagena
Cartagena's September 2026 forecast shows daily high temperatures ranging from 89° to 91°, with overnight lows between 78° and 80°. The average high for September is 90° with an average low of 79°. 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 Cartagena. See also: October | November | December.
