S
M
T
W
T
F
S
30
87°
59°
31
90°
58°
1
91°
55°
2
89°
65°
3
87°
62°
4
87°
57°
5
92°
54°
6
86°
58°
7
80°
51°
8
85°
49°
9
86°
51°
10
N/A
11
89°
61°
12
81°
57°
13
67°
54°
14
75°
55°
15
74°
54°
16
77°
53°
17
78°
55°
18
77°
54°
19
78°
54°
20
75°
51°
21
76°
54°
22
75°
53°
23
69°
48°
24
70°
47°
25
73°
52°
26
77°
54°
27
76°
53°
28
66°
51°
29
75°
53°
30
76°
53°
1
75°
52°
2
73°
52°
3
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Costestii din Vale
Costestii din Vale's September 2026 forecast shows daily high temperatures ranging from 66° to 89°, with overnight lows between 47° and 61°. The average high for September is 75° with an average low of 53°. 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 Costestii din Vale. See also: October | November | December.