S
M
T
W
T
F
S
30
86°
62°
31
90°
58°
1
84°
63°
2
80°
61°
3
82°
58°
4
86°
56°
5
94°
54°
6
74°
53°
7
75°
49°
8
82°
34°
9
85°
51°
10
N/A
11
82°
62°
12
70°
53°
13
66°
50°
14
71°
53°
15
70°
52°
16
74°
53°
17
71°
52°
18
76°
56°
19
76°
56°
20
72°
53°
21
72°
52°
22
71°
51°
23
64°
48°
24
65°
46°
25
69°
49°
26
73°
53°
27
72°
50°
28
63°
50°
29
71°
52°
30
73°
50°
1
67°
50°
2
66°
48°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Alexandru I. Cuza
Alexandru I. Cuza's September 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 46° and 62°. The average high for September is 70° with an average low of 52°. 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 Alexandru I. Cuza. See also: October | November | December.