Waianae in september: average Weather, Temperature and Climate
Weather in Waianae in september 2025
The weather in Waianae in the month of 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
perfect weather UV index: 7
Weather at 6am
79°F
Partly Cloudy
47% of time
28%
20%
5%
Weather at 12pm
83°F
Clear/Sunny
51% of time
27%
20%
3%
Weather at 6pm
79°F
Moderate rain at times
37% of time
30%
29%
4%
Weather at 3am
77°F
46%
26%
22%
7%
Evolution of daily average temperature and precipitation in Waianae in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Waianae in september.
The climate of Waianae in september is perfect
The climate in september in Waianae is quite dry (with 2.6in of rainfall over 3 days). The weather is better from the previous month since in august it receives an average of 2.5in of precipitation over 2 days.
The climate quite enjoyable here the month of september. Temperatures are up to 85°F. The seasonal minimum is 79°F. Thus, the mean temperature average on this month of september in Waianae is 81°F. These temperatures are far removed from those records observed in Waianae in the month of september with a maximum record of 90°F in 2014 and a minimum record of 74°F in 2021. You You can hope to have about 4 days with temperatures over 86°F, or 13 of the month.
On average, in Waianae, the days of september last 12:15. Sunrise is at 06:20 and sets at 18:35.
With a perfect weather, the month of september is recommended to go there.
Seasonal average climate and temperature of Waianae in september
Check below seasonal norms These statistics are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 90°F (2014) | ||||
| Lowest record temperature | 74°F (2021) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 81°F | ||||
| Lowest sea temperature | 80°F | ||||
| Highest sea temperature | 83°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.6in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 1.8in (2018) | ||||
| Other climate data | |||||
| Humidity | 76% | ||||
| Visibility | 9.74km | ||||
| Cloud cover | 30% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:20 | ||||
| Time of sunset | 18:35 | ||||
| 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 Waianae in september 2024:
76°F to 83°F
76°F to 83°F
74°F to 83°F
74°F to 83°F
76°F to 83°F
74°F to 81°F
72°F to 83°F
70°F to 83°F
70°F to 85°F
70°F to 83°F
70°F to 85°F
74°F to 85°F
72°F to 83°F
74°F to 81°F
74°F to 81°F
74°F to 83°F
76°F to 81°F
74°F to 83°F
74°F to 81°F
76°F to 79°F
72°F to 81°F
72°F to 83°F
72°F to 83°F
74°F to 81°F
74°F to 83°F
72°F to 81°F
72°F to 83°F
74°F to 83°F
72°F to 81°F
74°F to 83°F
Map: other cities in Hawaii in september
Cities near Waianae:
| Schofield Barracks in september | good weather |
| Waialua in september | good weather |
| Kapolei in september | perfect weather |
| Wahiawa in september | good weather |
| Waipahu in september | good weather |
| Mililani Town in september | good weather |
| Hale'iwa in september | good weather |
| Pearl City in september | good weather |
| 'Ewa Beach in september | perfect weather |
| 'Aiea in september | perfect weather |
| Hau'ula in september | good weather |
| La'ie in september | good weather |
Click over cities on the map for information about the weather in september.
Waianae
perfect weather
good
tolerable
bad
very bad
Weather data for Waianae in september:
Weather data for Waianae for september are derived from an average of the weather forecast since 2009 in Waianae. There is a margin of error and these forecasts are to be considered as general information only. The weather in Waianae 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 Waianae.