Temperature
Hot by day, warm at night.
86°Ftypical September high
Typical range
September climate
September in Honolulu
United States · North America
Hot days and plenty of sun. Seasonal hurricane risk and humid air are the main drawbacks.
Excellent time to visit
Daytime high
86°F
Lows around 76°F
Rain
A few rainy days
Sun
11.5 h/day
Air feel
Humid
Sea temp
80°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
A few rainy days, mostly brief and on-and-off. About 6 wet days, the lowest monthly average.
20%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.7 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
95%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 85° and nights feel near 80°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
59%September Clear sky
Clear skyCloud
Wind pattern
September's typical breeze keeps the air from feeling as stagnant.
10 mphSeptember Breezy
Sea temperature
80°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 84°F, easing to about 79°F in early evening.
Avg temp Typical range
Morning81°F
Rain16%
Cloud41%
Humid airVery high
Sun intensityModerate
Midday85°F
Rain25%
Cloud52%
Humid airVery high
Sun intensityStrong
Late afternoon83°F
Rain21%
Cloud53%
Humid airVery high
Sun intensityStrong
Early evening79°F
Rain6%
Cloud37%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 79 | 70 | 1.7 | 8 | 10.2 | 76 | 76 |
| Feb | 78 | 69 | 1.4 | 7 | 10.4 | 74 | 75 |
| Mar | 79 | 70 | 2.1 | 10 | 10.8 | 74 | 75 |
| Apr | 80 | 71 | 1.2 | 10 | 12.1 | 74 | 76 |
| May | 82 | 73 | 1.3 | 9 | 12.7 | 73 | 77 |
| Jun | 84 | 74 | 0.9 | 8 | 12.9 | 72 | 78 |
| Jul | 85 | 75 | 0.8 | 8 | 12.8 | 73 | 79 |
| Aug | 86 | 76 | 0.9 | 7 | 12.5 | 73 | 80 |
| Sep | 86 | 76 | 0.7 | 6 | 11.7 | 73 | 80 |
| Oct | 85 | 75 | 1.2 | 7 | 10.8 | 74 | 80 |
| Nov | 82 | 73 | 1.7 | 7 | 10.3 | 75 | 79 |
| Dec | 80 | 71 | 2.0 | 7 | 10.1 | 76 | 77 |
Similar climates
Similar
Similar travel styleNassauBahamasSimilar travel styleBridgetownBarbadosSimilar travel styleOranjestadArubaSimilar travel stylePhuketThailand
Want a side-by-side climate view? Compare Honolulu with Nassau.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 29, 2026
Data & methodology