Hawaii in september: average Weather, Temperature and Climate, Where to go?
How is the weather in Hawaii in september? Is it the perfect time to go to island of Hawaii (Big Island) and Oahu (Honolulu)? Have a look at our datas and our advices below.
good weather across 50% of the territory perfect weather across 50% of the territory
Weather in Hawaii in september 2023
Below, check out the weather forecast for september for most popular cities in Hawaii. These datas are statistics for september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Honolulu (Oahu)
perfect weather UV index: 7
Weather at 6am
79°F
Partly Cloudy
48% of time
26%
20%
7%
Weather at 12pm
83°F
Clear/Sunny
56% of time
22%
20%
3%
Weather at 6pm
77°F
Moderate rain at times
37% of time
30%
29%
4%
Weather at 3am
77°F
45%
27%
21%
7%
More information about the weather in Honolulu (Oahu) in september
Where to go in Hawaii in september?
Where to go in Hawaii in september: destination map





Where should you go in Hawaii in september when it comes to the weather?
Remember:
The climate in Hawaii in september ranges from perfect to good depending on the region and city.
warning in september the weather is different depending on the city and regions of the country.
You are lucky: It is not perfect, however, the weather in Hawaii in september is, on average, good in Maui, Niihau, Kahoolawe, Oahu (Honolulu), Lanai, Kauai (Garden Isle) and Molokai. I allows to savor vacation in these cities. And even why not take a little time to enjoy the hotel pool!
If you do not go to spend your time in a lounger by the pool, but, for example for hiking, the city of island of Hawaii (Big Island) have a decent enough weather for it in september.
Climate in Hawaii in september
Climate in Honolulu (Oahu) in september
In september, the mean temperature in Oahu (Honolulu) is 81°F (maximum temperature is 83°F and minimum temperature is 79°F). The climate is burning there in this month. With about 2.6in over 3 days, rain may be scarce throughout your holidays.
With a good climate, the month of september is a good time to go there in Hawaii.
September | |||
Average temperature | 81°F | ||
Highest temperature | 83°F | ||
Lowest temperature | 79°F | ||
Sea temperature | 81°F | ||
Rainfall | 2.6in | ||
Number of days with rainfall | 3 day(s) (11%) | ||
Humidity | 77% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 33% | ||
Length of day | 12:16 | ||
Our opinion at whereandwhen.net | perfect |
Climate in Kauai (Garden Isle) in september
In the month of september, the mean temperature in Kauai (Garden Isle) is 81°F (maximum temperature is 83°F and minimum temperature is 79°F). The climate comfortable in this city in the month of september. With 3.3in over 4 days, you risk getting wet slightly during your vacations. But this is rather moderate and you will not be too bothered by it.
With good weather conditions, september is an advisable month to go in Kauai (Garden Isle).
September | |||
Average temperature | 81°F | ||
Highest temperature | 83°F | ||
Lowest temperature | 79°F | ||
Sea temperature | 81°F | ||
Rainfall | 3.3in | ||
Number of days with rainfall | 4 day(s) (15%) | ||
Humidity | 78% | ||
Daily sunshine hours | 11 | ||
Cloud cover | 38% | ||
Length of day | 12:16 | ||
Our opinion at whereandwhen.net | good |
Climate in Maui in september
In the month of september, the mean temperature in Maui is 81°F (maximum temperature is 81°F and minimum temperature is 79°F). The climate is very warm in this location in this month. It almost never rains during september. You will not get wet throughout your vacations!
With a good weather, september is a good month to go in this city.
September | |||
Average temperature | 81°F | ||
Highest temperature | 81°F | ||
Lowest temperature | 79°F | ||
Sea temperature | 81°F | ||
Rainfall | 0.9in | ||
Number of days with rainfall | 1 day(s) (3%) | ||
Humidity | 77% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 24% | ||
Length of day | 12:15 | ||
Our opinion at whereandwhen.net | perfect |
Climate in island of Hawaii (Big Island) in september
In september, maximum temperature is 81°F and minimum temperature is 79°F (for an average temperature of 79°F). The climate quite nice here in the month of september. With 2.1in over 2 days, rain may occur for your journey. But this is rather moderate and you will not be too bothered by it.
With proper weather, the month of september is okay (but not good month) for traveling in island of Hawaii (Big Island).
September | |||
Average temperature | 79°F | ||
Highest temperature | 81°F | ||
Lowest temperature | 79°F | ||
Sea temperature | 81°F | ||
Rainfall | 2.1in | ||
Number of days with rainfall | 2 day(s) (7%) | ||
Humidity | 79% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 23% | ||
Length of day | 12:15 | ||
Our opinion at whereandwhen.net | perfect |
Climate in Hana in september
In the month of september, maximum temperature is 81°F and minimum temperature is 77°F (for an average temperature of 79°F). The climate is quite enjoyable here in this month. With 0.9in over 1 days, rain may occur for your vacations. But this is pretty moderate and it will not be continuous.
With a good climate, september is a good time to go in this locality.
September | |||
Average temperature | 79°F | ||
Highest temperature | 81°F | ||
Lowest temperature | 77°F | ||
Sea temperature | 81°F | ||
Rainfall | 0.9in | ||
Number of days with rainfall | 1 day(s) (3%) | ||
Humidity | 79% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 22% | ||
Length of day | 12:15 | ||
Our opinion at whereandwhen.net | perfect |
All cities in Hawaii in september
Honolulu (Oahu) in september | perfect weather |
Kauai (Garden Isle) in september | good weather |
Maui in september | perfect weather |
island of Hawaii (Big Island) in september | perfect weather |
Hana in september | perfect weather |
Kahoolawe in september | perfect weather |
Lanai in september | perfect weather |
Molokai in september | perfect weather |
Niihau in september | perfect weather |
'Aiea in september | perfect weather |
'Ewa Beach in september | perfect weather |
Anahola in september | good weather |
Hilo in september | good weather |
Captain Cook in september | good weather |
Hale'iwa in september | good weather |
Hau'ula in september | good weather |
Hawaiian Ocean View in september | good weather |
Hawi in september | good weather |
Holualoa in september | perfect weather |
Honoka'a in september | good weather |
Kahului in september | perfect weather |
Weather data for Hawaii in september:
Weather data for Hawaii in september is derived from an average of the weather forecast since 2009 in Hawaii. There is a margin of error and these forecasts are to be considered as general information only. The weather in Hawaii can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Hawaii.