S
M
T
W
T
F
S
30
91°
68°
31
91°
68°
1
93°
68°
2
97°
70°
3
97°
72°
4
97°
73°
5
93°
73°
6
95°
72°
7
90°
70°
8
90°
72°
9
91°
64°
10
93°
64°
11
93°
66°
12
88°
70°
13
90°
68°
14
91°
66°
15
93°
68°
16
91°
68°
17
93°
68°
18
95°
68°
19
95°
70°
20
93°
66°
21
88°
68°
22
88°
70°
23
82°
68°
24
77°
64°
25
77°
55°
26
79°
50°
27
79°
46°
28
81°
46°
29
82°
50°
30
86°
52°
1
88°
57°
2
88°
63°
3
77°
68°
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.
