Honolulu in September
Warm and quiet
By Daan · Last reviewed October 2026
The short answer
September is the best month to visit Honolulu.
September is warm and quiet, with the Aloha Festivals celebrating Hawaiian culture.
September in detail
What September actually feels like
- Weather
- 24–31°C
- Warm and mostly dry.
- Crowds
- Low–Moderate
- One of the quietest months.
- Prices
- $$
- Good value.
+Warm sea, fewer people.
–Hurricane season is ongoing.
My tip for September
Look up the Aloha Festivals events during your dates.
- Beach
- Culture
How September compares
Against the other eleven months
1st of 12 overall in Honolulu, 1st for weather, 1st for space, 1st for value. It is the emptiest month of the year; the best value is May.
See all twelve months for HonoluluPlan around
What’s on in Honolulu in September
- Hurricane season
- Direct hits are rare, but check forecasts if a storm is tracking toward Hawaii.
June–November
Also good in September
Weather
Weather in Honolulu in September
In September Honolulu averages a high of 31°C (88°F) and a low of 24°C (75°F), with about 22 mm of rain or snow over 7 wet days. The warmest month is August (around 32°C) and the coolest is January (around 27°C); the wettest month is March.
- Average high
- 31°C
- 88°F
- Average low
- 24°C
- 75°F
- Precipitation
- 22 mm
- Wet days
- 7
Climate data: NOAA (Honolulu International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Honolulu in September: the questions people ask
- Is September a good time to visit Honolulu?
- September is the best month to visit Honolulu. It ranks 1 of 12 months in Honolulu overall (1 for weather, 1 for space, 1 for value). The main upside: Warm sea, fewer people. The main downside: Hurricane season is ongoing.
- What is the weather like in Honolulu in September?
- Average highs are around 31°C and lows around 24°C. Expect about 22 mm of rain or snow over roughly 7 wet days. Warm and mostly dry. For comparison, the warmest month is August (around 32°C) and the coolest is January (around 27°C).
- Is Honolulu crowded in September?
- Crowds are low–moderate. One of the quietest months. September is the quietest month of the year.
- How expensive is Honolulu in September?
- Prices are at level 2 of 5 ($$). Good value. The best-value month is May.
- When is the best time to visit Honolulu?
- In the CrowdFreeViews month scores, September is the best month overall (this month). The quietest month is September and the best value is May.