Places › Honolulu, HI › September
Honolulu in September
One of the best months — score 97 of 100
Typical September days in Honolulu reach about 88°F with nights near 75°F.
Avg high
88°F
1991–2020 normal
Avg low
75°F
1991–2020 normal
Rain total
0.88 in
in a typical September
Rain days
7
days with at least 0.01 in
Daylight
12h 14m
at mid-September, computed
What to pack for Honolulu in September
- A compact rain layer — about 7 days see rain in a typical September.
- Swimsuit, sandals, and reef-safe sunscreen.
Every packing line is triggered by a number on this page — the rules are on How we pick.
September vs. the alternatives
The whole year in Honolulu
JAN
80°F
Rain 8 days
Daylight 10h 58mFEB
80°F
Rain 8 days
Daylight 11h 25mMAR
81°F
Rain 9 days
Daylight 11h 58mAPR
83°F
★ Best
Rain 8 days
Daylight 12h 37mMAY
85°F
★ Best
Rain 6 days
Daylight 13h 08mJUN
87°F
★ Best
Rain 6 days
Daylight 13h 25mJUL
88°F
Rain 7 days
Daylight 13h 19mAUG
89°F
Rain 6 days
Daylight 12h 52mSEP
88°F
Rain 7 days
Daylight 12h 14mOCT
87°F
Rain 8 days
Daylight 11h 37mNOV
84°F
Rain 9 days
Daylight 11h 06mDEC
82°F
Rain 9 days
Daylight 10h 50m
80°F
Rain 8 days
Daylight 10h 58mFEB
80°F
Rain 8 days
Daylight 11h 25mMAR
81°F
Rain 9 days
Daylight 11h 58mAPR
83°F
★ Best
Rain 8 days
Daylight 12h 37mMAY
85°F
★ Best
Rain 6 days
Daylight 13h 08mJUN
87°F
★ Best
Rain 6 days
Daylight 13h 25mJUL
88°F
Rain 7 days
Daylight 13h 19mAUG
89°F
Rain 6 days
Daylight 12h 52mSEP
88°F
Rain 7 days
Daylight 12h 14mOCT
87°F
Rain 8 days
Daylight 11h 37mNOV
84°F
Rain 9 days
Daylight 11h 06mDEC
82°F
Rain 9 days
Daylight 10h 50m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.