Kealakekua Weather in September
Average highs run from 78°F on September 1 to 78°F on September 30, and lows from 64°F to 63°F. Normal precipitation for the month is 4.72 in over about 15 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
- 77°F
- Average low
- 63°F
- Precipitation
- 4.72 in
- Record high
- 96°FSep 25, 2015
- Record low
- 65°FSep 26, 2019
- Chance of a freeze
- 0%
- Daylight
- 12 h 29 min to 11 h 58 min
- Cloud cover
- 55%
- Humidity
- 77%
- Dew point
- 71°F
- Wind
- 6.3 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 | 78°F | 64°F | 91°F 2016 | 71°F 2018 | 52% |
| Sep 2 | 78°F | 64°F | 92°F 2000 | 72°F 2008 | 52% |
| Sep 3 | 77°F | 64°F | 90°F 2015 | 69°F 1999 | 52% |
| Sep 4 | 77°F | 64°F | 90°F 2015 | 70°F 2011 | 52% |
| Sep 5 | 77°F | 63°F | 90°F 2005 | 72°F 2008 | 52% |
| Sep 6 | 77°F | 63°F | 91°F 2018 | 71°F 1998 | 52% |
| Sep 7 | 77°F | 63°F | 91°F 2015 | 71°F 2008 | 52% |
| Sep 8 | 77°F | 63°F | 90°F 2015 | 70°F 1999 | 52% |
| Sep 9 | 77°F | 63°F | 91°F 2015 | 71°F 1999 | 52% |
| Sep 10 | 77°F | 63°F | 91°F 2015 | 70°F 1999 | 52% |
| Sep 11 | 77°F | 63°F | 92°F 2015 | 70°F 1998 | 52% |
| Sep 12 | 77°F | 63°F | 93°F 2015 | 71°F 1998 | 51% |
| Sep 13 | 77°F | 63°F | 93°F 2015 | 71°F 2001 | 51% |
| Sep 14 | 77°F | 63°F | 90°F 2015 | 71°F 1998 | 51% |
| Sep 15 | 77°F | 63°F | 92°F 2015 | 72°F 1998 | 51% |
| Sep 16 | 77°F | 63°F | 91°F 2015 | 70°F 2008 | 51% |
| Sep 17 | 77°F | 63°F | 91°F 2015 | 71°F 2002 | 51% |
| Sep 18 | 77°F | 63°F | 90°F 2020 | 73°F 1998 | 51% |
| Sep 19 | 77°F | 63°F | 89°F 2015 | 73°F 1999 | 50% |
| Sep 20 | 77°F | 63°F | 90°F 2018 | 72°F 1999 | 50% |
| Sep 21 | 77°F | 63°F | 90°F 2015 | 72°F 1999 | 50% |
| Sep 22 | 77°F | 63°F | 92°F 2015 | 72°F 1999 | 50% |
| Sep 23 | 77°F | 63°F | 91°F 2015 | 71°F 2006 | 50% |
| Sep 24 | 78°F | 63°F | 91°F 2015 | 71°F 2011 | 50% |
| Sep 25 | 78°F | 63°F | 96°F 2015 | 69°F 2019 | 49% |
| Sep 26 | 78°F | 63°F | 91°F 2015 | 65°F 2019 | 49% |
| Sep 27 | 78°F | 63°F | 92°F 2000 | 72°F 1999 | 49% |
| Sep 28 | 78°F | 63°F | 89°F 2015 | 71°F 2010 | 49% |
| Sep 29 | 78°F | 63°F | 92°F 2020 | 71°F 1998 | 48% |
| Sep 30 | 78°F | 63°F | 91°F 2000 | 71°F 1998 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- September 1
- sunrise 6:09 AM, sunset 6:38 PM
- September 30
- sunrise 6:14 AM, sunset 6:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00517166 (Opihihale #2 24.1), public domain. Records: NOAA GHCN-Daily, station USW00021510, 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.