S
M
T
W
T
F
S
30
72°
58°
31
73°
59°
1
73°
58°
2
72°
50°
3
71°
48°
4
63°
53°
5
64°
58°
6
68°
52°
7
71°
49°
8
65°
50°
9
64°
52°
10
67°
55°
11
66°
57°
12
70°
56°
13
70°
53°
14
69°
48°
15
64°
46°
16
61°
48°
17
61°
46°
18
59°
44°
19
65°
43°
20
61°
41°
21
55°
47°
22
58°
51°
23
62°
46°
24
61°
44°
25
58°
51°
26
61°
51°
27
62°
45°
28
64°
41°
29
63°
42°
30
55°
48°
1
57°
43°
2
61°
47°
3
53°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Thessalon
Thessalon's September 2026 forecast shows daily high temperatures ranging from 53° to 73°, with overnight lows between 37° and 59°. The average high for September is 64° with an average low of 49°. 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 Thessalon. See also: October | November | December.
