As of 11:55 HST

Mililani Town, HI weather in September

84°

Mililani Town, Sunday, 9 August, 11:55

Overcast. Feels like 89°. High 84°, low 74°.

Pressure30.00 inHg

Wind4 mph N

Humidity63%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In September, Mililani Town, HI averages a high of 82.3° and a low of 73.6°. About 0.9 inches of precipitation fall over the month (8 wet days). The record high is 90° (2025) and the record low 65.8° (2024). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.4°	73.8°	38%	88.3° (2019)	67.6° (2021)
2	82.4°	73.8°	32%	88.2° (2020)	68° (2025)
3	82.4°	73.6°	38%	88.3° (2019)	68.9° (2023)
4	82.4°	73.8°	33%	89.1° (2025)	66.9° (2023)
5	82.6°	73.6°	35%	89.4° (2023)	68° (2023)
6	82.4°	73.4°	13%	88° (2024)	66.9° (2023)
7	82.6°	73.6°	22%	88.7° (2023)	66.6° (2025)
8	82.6°	73.8°	25%	90° (2025)	67.8° (2024)
9	82.4°	73.6°	22%	88.9° (2025)	65.8° (2024)
10	82.4°	73.6°	25%	86.9° (2019)	66.2° (2024)
11	82.4°	73.6°	28%	89.8° (2025)	66.6° (2024)
12	82.4°	73.6°	35%	88.5° (2019)	68.9° (2017)
13	82.2°	73.6°	32%	87.1° (2020)	69.6° (2020)
14	82.6°	73.6°	27%	88.2° (2017)	69.8° (2020)
15	82.4°	73.6°	35%	88.2° (2020)	68.9° (2025)
16	82.4°	73.8°	28%	88.5° (2020)	69.3° (2022)
17	82.2°	73.9°	20%	89.2° (2019)	68.9° (2022)
18	82.2°	73.8°	23%	89.2° (2019)	70.3° (2018)
19	82.2°	73.6°	23%	88.5° (2025)	67.8° (2018)
20	82.2°	73.6°	27%	88.3° (2018)	70.3° (2025)
21	82.2°	73.6°	17%	87.3° (2022)	70.2° (2024)
22	82.2°	73.4°	22%	88.9° (2019)	70.2° (2022)
23	82°	73.4°	35%	87.1° (2017)	68.9° (2025)
24	82°	73.6°	32%	88° (2019)	68.4° (2025)
25	82°	73.4°	35%	87.1° (2020)	67.6° (2025)
26	82°	73.6°	27%	88° (2020)	69.3° (2025)
27	82°	73.4°	33%	88.3° (2019)	68.7° (2025)
28	82°	73.6°	28%	87.8° (2019)	69.4° (2022)
29	82.2°	73.4°	30%	88.2° (2020)	68° (2024)
30	82°	73°	22%	88.5° (2022)	67.8° (2020)