‘Ewa Beach climate

‘Ewa Beach Weather in September

NOAA 1991-2020 normals for Ewa Beach Usgs 702.2, 0.8 km from ‘Ewa Beach

Average highs run from 88°F on September 1 to 87°F on September 30, and lows from 70°F to 69°F. Normal precipitation for the month is 0.76 in over about 6 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at ‘Ewa Beach, in °F, with the record for each date.5060708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
70°F
Precipitation
0.76 in
Record high
94°FSep 1, 2019
Record low
57°FSep 30, 2011
Chance of a freeze
0%
Days of 90°F or more
4.5
Daylight
12 h 32 min to 11 h 57 min
Cloud cover
44%
Humidity
74%
Dew point
70°F
Wind
14.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 188°F70°F94°F 201969°F 200616%
Sep 288°F70°F93°F 201968°F 201316%
Sep 387°F70°F93°F 201467°F 201317%
Sep 487°F70°F93°F 201968°F 200617%
Sep 587°F70°F93°F 201966°F 201317%
Sep 687°F70°F94°F 201966°F 201117%
Sep 787°F70°F93°F 201965°F 201117%
Sep 887°F70°F93°F 200466°F 201118%
Sep 987°F70°F93°F 201968°F 199918%
Sep 1087°F70°F93°F 201968°F 200818%
Sep 1187°F70°F94°F 201967°F 200818%
Sep 1287°F69°F93°F 202467°F 199918%
Sep 1387°F69°F93°F 202468°F 201119%
Sep 1487°F69°F92°F 202468°F 200819%
Sep 1587°F69°F92°F 200466°F 200819%
Sep 1687°F69°F93°F 202467°F 200819%
Sep 1787°F69°F93°F 202469°F 201219%
Sep 1887°F69°F93°F 201967°F 201219%
Sep 1987°F69°F92°F 202167°F 201819%
Sep 2087°F69°F91°F 200468°F 201220%
Sep 2187°F69°F91°F 202169°F 200020%
Sep 2287°F69°F92°F 201468°F 200920%
Sep 2387°F69°F92°F 201466°F 201020%
Sep 2487°F69°F93°F 201467°F 200220%
Sep 2587°F69°F93°F 202466°F 201120%
Sep 2687°F69°F92°F 202166°F 200020%
Sep 2787°F69°F92°F 201466°F 201021%
Sep 2887°F69°F91°F 202367°F 201021%
Sep 2987°F69°F90°F 200966°F 201121%
Sep 3087°F69°F91°F 202157°F 201121%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at ‘Ewa Beach, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (HST).

September 1
sunrise 6:16 AM, sunset 6:48 PM
September 30
sunrise 6:23 AM, sunset 6:20 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00511918 (Ewa Beach Usgs 702.2), public domain. Records: NOAA GHCN-Daily, station USW00022551, 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.