Hilo in september: average Weather, Temperature and Climate
Weather in Hilo in september 2025
The weather in Hilo in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
74°F
Clear/Sunny
42% of time
38%
16%
5%
Weather at 12pm
77°F
Clear/Sunny
48% of time
40%
9%
5%
Weather at 6pm
76°F
Moderate rain at times
49% of time
27%
13%
11%
Weather at 3am
74°F
40%
37%
19%
4%
Evolution of daily average temperature and precipitation in Hilo in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Hilo in september.
The climate of Hilo in september is good
In september in Hilo, the climate is wet (with 3.9in of rainfall over 5 days). The weather is worst than the previous month since in august there is an average of 5.8in of precipitation over 6 days.
The climate good in that area september. The thermometer averaged maximum of 77°F. In the morning the temperature drops to 74°F. Thus, the mean temperature average on this month of september in Hilo is 76°F. Note that these seasonal averages are in contrast with those observed in Hilo in september with a maximum record of 85°F in 2015 and a minimum record of 59°F in 2020. You can plan to have about 0 days with temperatures above 86°F, or 0 of the month.
Day length in Hilo in september is 12:14. Sunrise is at 06:08 and sets at 18:22.
With a good weather, september is recommended to go in that area.
Seasonal average climate and temperature of Hilo in september
Check below seasonal norms These datas are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 76°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 74°F | ||||
| Highest record temperature | 85°F (2015) | ||||
| Lowest record temperature | 59°F (2020) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 80°F | ||||
| Lowest sea temperature | 78°F | ||||
| Highest sea temperature | 81°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 74°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 5 day(s) (18%) | ||||
| Record daily rainfall | 2in (2009) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.5km | ||||
| Cloud cover | 31% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:08 | ||||
| Time of sunset | 18:22 | ||||
| Length of day | 12:14 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Hilo in september 2024:
70°F to 76°F
74°F to 77°F
72°F to 77°F
68°F to 74°F
70°F to 74°F
68°F to 72°F
68°F to 74°F
68°F to 74°F
72°F to 74°F
70°F to 76°F
72°F to 77°F
74°F to 76°F
70°F to 74°F
68°F to 74°F
68°F to 74°F
70°F to 74°F
70°F to 74°F
70°F to 74°F
70°F to 74°F
70°F to 74°F
68°F to 72°F
68°F to 74°F
70°F to 76°F
72°F to 76°F
72°F to 76°F
68°F to 74°F
68°F to 76°F
67°F to 72°F
68°F to 72°F
70°F to 74°F
Map: other cities in Hawaii in september
Cities near Hilo:
| Papa'ikou in september | good weather |
| Honoka'a in september | good weather |
| Pahala in september | good weather |
| Waikoloa in september | good weather |
| Holualoa in september | perfect weather |
| Captain Cook in september | good weather |
| Kapaau in september | good weather |
| island of Hawaii (Big Island) in september | perfect weather |
| Hawi in september | good weather |
| Hawaiian Ocean View in september | good weather |
| Hana in september | perfect weather |
| Kahoolawe in september | perfect weather |
Click over cities on the map for information about the weather in september.
Hilo
perfect weather
good
tolerable
bad
very bad
Weather data for Hilo in september:
Weather data for Hilo for september are derived from an average of the weather forecast since 2009 in Hilo. There is a margin of error and these forecasts are to be considered as general information only. The weather in Hilo 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 Hilo.