S
M
T
W
T
F
S
30
88°
73°
31
85°
74°
1
88°
73°
2
85°
72°
3
85°
73°
4
86°
74°
5
87°
73°
6
85°
73°
7
85°
74°
8
84°
73°
9
85°
73°
10
86°
72°
11
85°
73°
12
86°
71°
13
86°
73°
14
87°
72°
15
84°
71°
16
88°
72°
17
88°
74°
18
87°
74°
19
Hist. Avg.
80°
63°
20
Hist. Avg.
80°
63°
21
Hist. Avg.
80°
63°
22
Hist. Avg.
80°
63°
23
Hist. Avg.
80°
63°
24
Hist. Avg.
80°
63°
25
Hist. Avg.
80°
63°
26
Hist. Avg.
80°
63°
27
Hist. Avg.
80°
63°
28
Hist. Avg.
80°
63°
29
Hist. Avg.
80°
63°
30
Hist. Avg.
80°
63°
1
Hist. Avg.
80°
63°
2
Hist. Avg.
80°
63°
3
Hist. Avg.
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Tamarindo
Tamarindo's September 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 71° and 74°. The average high for September is 86° with an average low of 73°. 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 Tamarindo. See also: October | November | December.
