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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Islamorada, FL
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September
Average Temperature
High
30°
Feels 36
Low
27°
Feels 31
Average Precipitation
17 Days
Rain amount
118.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
29°
19
28°
20
28°
21
29°
22
28°
23
28°
24
27°
25
28°
26
28°
27
27°
28
28°
29
28°
30
29°
Forecast
Friday, September 18, 2026
Day
29°
Feels 33
Wind
21 km/h E
Gust
31 km/h
Humidity
72%
P.O.P
40%
Rain
<1 mm
Night
26°
Feels 27
Wind
26 km/h E
Gust
39 km/h
Humidity
81%
P.O.P
90%
Rain
5-10 mm
Historical Averages
Sep 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.