ClimateAverages

Honolulu Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
26°C
Partly cloudy · feels like 29°C
Humidity
74%
Wind
38 kph ENE
UV
0
Rain
0%
Updated Jul 9, 01:45 AMWeather data by WeatherAPI.com
September daytime high
29.1°C
September overnight low
21.1°C
September average
25.0°C

In September, Honolulu typically sees daytime highs of 29.1°C and overnight lows around 21.1°C. Compared to the annual average high of 26.8°C, September runs +2.2°C.

vs. annual avg high
+2.2°C
Rank among 12 months
#1 warmest
Hottest year overall
2019

Where September ranks in Honolulu

JanFebMarAprMayJunJulAugSep29°OctNovDec

FAQ

What is the average temperature in Honolulu in September?

September in Honolulu averages a daytime high of 29.1°C and an overnight low of 21.1°C.

Is September warm or cold in Honolulu?

September runs +2.2°C compared to Honolulu's annual average high of 26.8°C, ranking #1 of 12 months by warmth.

What should I pack for Honolulu in September?

Plan for daytime highs near 29.1°C and cooler evenings around 21.1°C.

Other months for Honolulu

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