island of Hawaii (Big Island) in september: average Weather, Temperature and Climate
Weather in island of Hawaii (Big Island) in september 2025
The weather in island of Hawaii (Big Island) in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 7
Weather at 6am
79°F
Clear/Sunny
67% of time
16%
16%
3%
Weather at 12pm
81°F
Clear/Sunny
46% of time
26%
24%
4%
Weather at 6pm
79°F
Clear/Sunny
44% of time
39%
14%
4%
Weather at 3am
77°F
61%
30%
8%
2%
Evolution of daily average temperature and precipitation in island of Hawaii (Big Island) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in island of Hawaii (Big Island) in september.
The climate of island of Hawaii (Big Island) in september is perfect
The weather in september in island of Hawaii (Big Island) is wet (with 2.1in of rainfall over 2 days). The situation is deteriorating compared to the previous month since in august there is an average of 1.9in of precipitation over 2 days.
The climate quite good here this month. The thermometer averaged maximum of 81°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average on this month of september in island of Hawaii (Big Island) is 79°F. These temperatures are far removed from those records observed in island of Hawaii (Big Island) in the month of september with a maximum record of 86°F in 2021 and a minimum record of 72°F in 2010. You can expect to have about 1 days with temperatures up to 86°F, or 3 of the month.
On this month of september, day length in island of Hawaii (Big Island) is generally 12:15. The sun rises at 06:11 and sets at 18:26.
With a correct weather, september is okay (but not good) to go in this locality.
Seasonal average climate and temperature of island of Hawaii (Big Island) in september
Check below seasonal norms These datas are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 81°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 86°F (2021) | ||||
| Lowest record temperature | 72°F (2010) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 81°F | ||||
| Lowest sea temperature | 79°F | ||||
| Highest sea temperature | 82°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.1in | ||||
| Number of days with rainfall | 2 day(s) (7%) | ||||
| Record daily rainfall | 1.6in (2009) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.62km | ||||
| Cloud cover | 23% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 18:26 | ||||
| Length of day | 12:15 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in island of Hawaii (Big Island) in september 2024:
77°F to 83°F
76°F to 81°F
77°F to 81°F
76°F to 79°F
76°F to 81°F
77°F to 79°F
76°F to 79°F
76°F to 79°F
76°F to 79°F
76°F to 79°F
77°F to 81°F
76°F to 81°F
76°F to 81°F
76°F to 81°F
76°F to 79°F
77°F to 83°F
77°F to 81°F
74°F to 79°F
76°F to 79°F
76°F to 81°F
76°F to 81°F
76°F to 79°F
76°F to 79°F
77°F to 81°F
77°F to 81°F
76°F to 77°F
74°F to 81°F
72°F to 79°F
72°F to 81°F
72°F to 79°F
Map: other cities in Hawaii in september
Cities near island of Hawaii (Big Island):
| Holualoa in september | perfect weather |
| Captain Cook in september | good weather |
| Waikoloa in september | good weather |
| Hawi in september | good weather |
| Kapaau in september | good weather |
| Hawaiian Ocean View in september | good weather |
| Honoka'a in september | good weather |
| Pahala in september | good weather |
| Hilo in september | good weather |
| Papa'ikou in september | good weather |
| Kahoolawe in september | perfect weather |
| Hana in september | perfect weather |
Click over cities on the map for information about the weather in september.
island of Hawaii (Big Island)
perfect weather
good
tolerable
bad
very bad
Weather data for island of Hawaii (Big Island) in september:
Weather data for island of Hawaii (Big Island) for september are derived from an average of the weather forecast since 2009 in island of Hawaii (Big Island). There is a margin of error and these forecasts are to be considered as general information only. The weather in island of Hawaii (Big Island) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to island of Hawaii (Big Island).