Kualapu‘u Weather in September
Average highs run from 87°F on September 1 to 87°F on September 30, and lows from 73°F to 72°F. Normal precipitation for the month is 0.99 in over about 8 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 87°F
- Average low
- 73°F
- Precipitation
- 0.99 in
- Record high
- 94°FSep 16, 2019
- Record low
- 59°FSep 4, 2006
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.5
- Daylight
- 12 h 32 min to 11 h 58 min
- Cloud cover
- 47%
- Humidity
- 72%
- Dew point
- 70°F
- Wind
- 13.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 87°F | 73°F | 92°F 2024 | 61°F 1984 | 25% |
| Sep 2 | 87°F | 73°F | 92°F 1994 | 63°F 1984 | 25% |
| Sep 3 | 87°F | 73°F | 91°F 2005 | 62°F 1989 | 25% |
| Sep 4 | 87°F | 73°F | 92°F 1994 | 59°F 2006 | 26% |
| Sep 5 | 87°F | 73°F | 89°F 1986 | 61°F 2006 | 26% |
| Sep 6 | 87°F | 73°F | 93°F 1979 | 61°F 2006 | 26% |
| Sep 7 | 87°F | 73°F | 91°F 2017 | 62°F 1955 | 26% |
| Sep 8 | 87°F | 73°F | 92°F 1973 | 63°F 1953 | 26% |
| Sep 9 | 87°F | 73°F | 91°F 2019 | 59°F 1955 | 26% |
| Sep 10 | 87°F | 73°F | 91°F 2009 | 64°F 1955 | 26% |
| Sep 11 | 87°F | 73°F | 91°F 1992 | 65°F 1955 | 26% |
| Sep 12 | 87°F | 73°F | 92°F 1979 | 64°F 2006 | 26% |
| Sep 13 | 87°F | 73°F | 90°F 1979 | 63°F 1956 | 26% |
| Sep 14 | 87°F | 73°F | 91°F 2019 | 63°F 1953 | 26% |
| Sep 15 | 87°F | 73°F | 91°F 1986 | 62°F 1953 | 26% |
| Sep 16 | 87°F | 73°F | 94°F 2019 | 61°F 1985 | 26% |
| Sep 17 | 87°F | 73°F | 93°F 2019 | 63°F 1955 | 26% |
| Sep 18 | 87°F | 73°F | 92°F 2019 | 65°F 1953 | 26% |
| Sep 19 | 87°F | 73°F | 92°F 2019 | 60°F 1957 | 26% |
| Sep 20 | 87°F | 73°F | 92°F 1994 | 62°F 1953 | 26% |
| Sep 21 | 87°F | 73°F | 92°F 1994 | 63°F 1955 | 25% |
| Sep 22 | 87°F | 73°F | 91°F 2005 | 64°F 1952 | 25% |
| Sep 23 | 87°F | 73°F | 93°F 1974 | 62°F 1952 | 25% |
| Sep 24 | 87°F | 73°F | 91°F 1980 | 64°F 1952 | 25% |
| Sep 25 | 87°F | 72°F | 91°F 2019 | 63°F 1955 | 25% |
| Sep 26 | 87°F | 72°F | 92°F 1973 | 61°F 1982 | 25% |
| Sep 27 | 87°F | 72°F | 92°F 2019 | 63°F 2010 | 25% |
| Sep 28 | 87°F | 72°F | 90°F 1978 | 64°F 1950 | 25% |
| Sep 29 | 87°F | 72°F | 91°F 2023 | 62°F 1953 | 25% |
| Sep 30 | 87°F | 72°F | 91°F 1994 | 60°F 1985 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- September 1
- sunrise 6:12 AM, sunset 6:44 PM
- September 30
- sunrise 6:19 AM, sunset 6:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022534 (Molokai AP), public domain. Records: NOAA GHCN-Daily, station USW00022534, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.