S
M
T
W
T
F
S
30
95°
72°
31
97°
73°
1
97°
75°
2
95°
79°
3
93°
77°
4
N/A
5
92°
74°
6
96°
75°
7
95°
75°
8
90°
74°
9
91°
75°
10
95°
76°
11
97°
75°
12
97°
75°
13
96°
72°
14
97°
74°
15
97°
73°
16
98°
74°
17
92°
73°
18
93°
74°
19
92°
74°
20
93°
74°
21
93°
73°
22
92°
75°
23
93°
74°
24
93°
74°
25
92°
74°
26
93°
74°
27
93°
75°
28
92°
75°
29
92°
74°
30
91°
74°
1
92°
75°
2
91°
75°
3
92°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Merapi
Merapi's September 2026 forecast shows daily high temperatures ranging from 90° to 98°, with overnight lows between 72° and 76°. The average high for September is 93° with an average low of 74°. 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 Merapi. See also: October | November | December.
