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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Downtown, Honolulu, HI
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September
Average Temperature
High
28°
Feels 30
Low
25°
Feels 26
Average Precipitation
5 Days
Rain amount
18.5mm
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
31°
11
28°
12
31°
13
31°
14
31°
15
31°
16
31°
17
32°
18
31°
19
31°
20
31°
21
31°
22
31°
23
31°
24
31°
25
26
27
28
29
30
Forecast
Thursday, September 10, 2026
Day
31°
Feels 35
Wind
22 km/h E
Gust
32 km/h
Humidity
60%
P.O.P
40%
Rain
~1 mm
Night
25°
Feels 25
Wind
18 km/h NE
Gust
28 km/h
Humidity
77%
P.O.P
20%
Historical Averages
Sep 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.