S
M
T
W
T
F
S
30
91°
70°
31
93°
70°
1
96°
70°
2
98°
71°
3
97°
73°
4
97°
72°
5
100°
73°
6
98°
71°
7
83°
70°
8
89°
67°
9
91°
65°
10
94°
68°
11
92°
71°
12
82°
72°
13
93°
70°
14
96°
68°
15
85°
72°
16
90°
68°
17
93°
64°
18
97°
66°
19
92°
69°
20
91°
69°
21
92°
67°
22
88°
69°
23
75°
63°
24
68°
60°
25
79°
58°
26
82°
53°
27
83°
50°
28
82°
51°
29
85°
53°
30
88°
60°
1
88°
63°
2
87°
66°
3
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Athens
Athens's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Athens. See also: October | November | December.
