Honolulu weather in September (Hawaii, United States of America)
This month is known as a warm month.
The average maximum daytime temperature in Honolulu in September lies at 29.3°C (84.74°F).
The average minimum temperature goes down to around 21.7°C (71.06°F) (often the minimum temperature is noted at night).
Rainfall during September is moderate with an average of 54mm (2.1 inches). There are generally around 16 rainy days. If you enjoy blue skies and sunshine, then this is a great time to go to Honolulu with 279 hours of sun during the entire month.
Honolulu, monthly averages in September
Where to go in the United States of America in SeptemberFind out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Honolulu.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.