S
M
T
W
T
F
S
30
79°
53°
31
79°
54°
1
77°
53°
2
75°
54°
3
75°
54°
4
78°
51°
5
79°
54°
6
80°
54°
7
79°
55°
8
79°
54°
9
80°
55°
10
80°
54°
11
79°
55°
12
80°
54°
13
79°
54°
14
80°
54°
15
79°
54°
16
81°
53°
17
80°
54°
18
79°
51°
19
82°
53°
20
82°
55°
21
81°
55°
22
81°
54°
23
82°
55°
24
79°
54°
25
80°
54°
26
80°
55°
27
82°
55°
28
81°
54°
29
79°
55°
30
81°
55°
1
80°
52°
2
79°
55°
3
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nairobi
Nairobi's September 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 51° and 55°. The average high for September is 80° with an average low of 54°. 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 Nairobi. See also: October | November | December.
