Makakilo City weather in September

In September, Makakilo City sees average daytime highs of 80°F and overnight lows near 77°F, with 0.4 in of rain across 2.3 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 74% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Makakilo City's 3rd-clearest and 8th-windiest month. For the whole year in context, see Makakilo City's year-round climate.

Daytime high
80°
1st warmest
Overnight low
77°
12th coldest
Rainfall
0.4 in
2.3 wet days
Daylight
12 h 06 min
6:23 AM – 6:30 PM
Cloud cover
31%
3rd clearest
Wind
14 mph
8th windiest
Solar energy
6.48 kWh/m²
Travel score
8.3
out of 10

Makakilo City is census-designated place in Honolulu County, Hawaii, United States of America.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 80°F through the month.

A typical September day in Makakilo City reaches about 80°F in the afternoon and slips back to 77°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 81°F. Set against its neighbours, September runs on par with August and on par with October.

65°70°75°80°85°151015202530
Avg high (°F)Avg low (°F)
18077
28077
38077
48077
58077
68077
78077
88077
98077
108077
118077
128077
138077
148077
158077
168077
178077
188077
198077
208077
218077
228077
238077
248077
258077
268077
278077
288077
298077
308077

Makakilo City weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan74° / 71°1.44.410.88.3
Feb74° / 71°1.14.111.38.1
Mar74° / 71°1.54.311.88.2
Apr75° / 72°0.42.112.58.7
May76° / 73°0.52.4138.6
Jun78° / 75°0.3113.38.7
Jul79° / 76°0.20.913.28.6
Aug80° / 76°0.41.712.78.4
Sep80° / 77°0.42.312.18.3
Oct79° / 76°0.8311.58.0
Nov77° / 75°1.54.1118.1
Dec76° / 73°1.94.610.78.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28614
38713
48713
58713
68713
78713
88713
98713
108713
118614
128614
138614
148515
158515
168416
178416
188416
198416
208416
218317
228218
238218
248119
258119
268119
278020
287921
297822
307822

Chance of precipitation in September

Any precipitation

Makakilo City gets around 0.4 in of rain over 2.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
16
26
36
47
57
67
77
87
98
108
118
128
138
148
158
168
178
188
198
208
218
228
238
248
258
268
277
287
297
307

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1052480
2052480
3051481
4050491
5050491
6050501
7049501
8049501
9049501
10048511
11048511
12049501
13049501
14049501
15050491
16050491
17051490
18052480
19151480
20151480
21152470
22152470
23152470
24153460
25153460
26153460
27153460
28153460
29153460
30153460

Wind in September

Winds average 14 mph in September.

Across September, daily wind ranges from about 14 mph on the calmest days to 15 mph at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (mph)Feels
115breezy
215breezy
315breezy
415breezy
515breezy
615breezy
715breezy
815breezy
915breezy
1015breezy
1114breezy
1214breezy
1314breezy
1414breezy
1514breezy
1614breezy
1714breezy
1814breezy
1914breezy
2014breezy
2114breezy
2214breezy
2314breezy
2414breezy
2514breezy
2614breezy
2714breezy
2814breezy
2914breezy
3014breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 6:19 AM to 6:27 AM, and sunset from 6:45 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:196:45
212.46:196:44
312.46:206:43
412.46:206:42
512.36:206:41
612.36:206:40
712.36:216:39
812.36:216:38
912.36:216:37
1012.26:226:36
1112.26:226:35
1212.26:226:34
1312.26:226:33
1412.26:236:32
1512.16:236:31
1612.16:236:30
1712.16:236:29
1812.16:246:28
1912.16:246:27
2012.06:246:26
2112.06:246:25
2212.06:256:24
2312.06:256:23
2412.06:256:22
2511.96:256:21
2611.96:266:20
2711.96:266:19
2811.96:266:18
2911.86:276:17
3011.86:276:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.48 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 7.26 kWh/m² in June across the year — September's 6.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Makakilo City

In seasonPeak

In September, Makakilo City sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.

Makakilo City sits in the eastern Pacific hurricane zone; the season peaks August–September.

Pacific hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Makakilo City?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.3
Sightseeing
6th-best month of the year
8.2
Beach & pool
3rd-best month of the year

September is one of the better times to visit Makakilo City for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Makakilo City in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Makakilo City sees daytime highs around 80°F and nights near 77°F. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near Makakilo City in September

The nearest coast averages about 81°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 81°F and coldest in February near 76°F.

The water stays above 68°F all year — warm enough for a swim any month.

74°76°78°80°82°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan76Warm
Feb76Warm
Mar76Warm
Apr76Warm
May77Warm
Jun78Warm
Jul79Warm
Aug80Warm
Sep81Warm
Oct80Warm
Nov79Warm
Dec77Warm

UV index in Makakilo City in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Makakilo City peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 21UV 12Dec 18UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr11Extreme
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov7High
Dec6High
Location & terrain

Where is Makakilo City?

Makakilo City sits at 21.3°N, 158.1°W, 430 ft above sea level, in United States. The nearest listed city is Makakilo, 0.6 mi away.

Topography around Makakilo City

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Makakilo City.

Within 2 miles, the terrain around Makakilo City has significant variations in elevation — a maximum elevation change of 1,591 ft around an average of 367 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,025 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.

The land around Makakilo City is covered by grassland (54%) and artificial surfaces (30%) within 2 miles, water (51%) and grassland (20%) within 10 miles, and water (86%) within 50 miles.

2 miles
1,591 ft
10 miles
3,025 ft
50 miles
3,983 ft
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Makakilo 0.6 mi · Makakilo / Kapolei / Honokai Hale 1.2 mi · Kapolei Villages 1.2 mi · Makakilo-Makaīwa Hills-Kunia 1.9 mi · Kapolei 1.9 mi · ‘Ewa Gentry 3.7 mi · ʻEwa Gentry-West Loch 3.7 mi · ‘Ewa Beach 5.6 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Makakilo City (21.3469°, -158.0858°, elevation 430 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).