S
M
T
W
T
F
S
30
94°
71°
31
94°
71°
1
93°
69°
2
94°
69°
3
92°
67°
4
92°
63°
5
87°
62°
6
87°
64°
7
90°
69°
8
92°
70°
9
92°
70°
10
93°
69°
11
90°
68°
12
91°
67°
13
90°
66°
14
91°
65°
15
91°
67°
16
83°
63°
17
84°
66°
18
Hist. Avg.
85°
64°
19
Hist. Avg.
85°
64°
20
Hist. Avg.
85°
64°
21
Hist. Avg.
84°
63°
22
Hist. Avg.
84°
63°
23
Hist. Avg.
84°
62°
24
Hist. Avg.
83°
62°
25
Hist. Avg.
83°
62°
26
Hist. Avg.
82°
61°
27
Hist. Avg.
82°
61°
28
Hist. Avg.
82°
61°
29
Hist. Avg.
81°
60°
30
Hist. Avg.
81°
60°
1
Hist. Avg.
81°
59°
2
Hist. Avg.
80°
59°
3
Hist. Avg.
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lebanon
Lebanon's September 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 62° and 71°. The average high for September is 91° 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 Lebanon. See also: October | November | December.
