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Kahului September Weather

Averages and records for weather in Kahului, Hawaii in the month of September.

Typical Kahului September Weather 1991–2020
Average daily high	88.6 °F
Average daily low	70.9 °F
Average monthly precipitation	0.4 inches
Daily chance of precipitation	16.7%

Kahului September Weather Records 1905–2024
Highest temperature	97 °F	September 16, 2019
Lowest temperature	59 °F	September 15, 2009
Highest daily low	79 °F	September 5, 2019
Lowest daily high	76 °F	September 1, 1954
Hottest average high temperature	92.3 °F	2019
Coldest average high temperature	81.9 °F	1955
Most daily precipitation	1.3 inches	September 1, 1919
Most monthly precipitation	2.0 inches	2018

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	88.6	71.5	95	63
September 2	88.6	71.5	93	62
September 3	88.6	71.5	94	65
September 4	88.6	71.5	93	63
September 5	88.6	71.4	94	61
September 6	88.6	71.4	93	60
September 7	88.6	71.3	94	61
September 8	88.6	71.3	93	62
September 9	88.6	71.2	93	62
September 10	88.6	71.1	93	61
September 11	88.7	71.1	95	61
September 12	88.6	71.0	94	62
September 13	88.6	71.0	93	62
September 14	88.6	71.0	96	62
September 15	88.6	70.9	95	59
September 16	88.6	70.8	97	62
September 17	88.6	70.8	95	64
September 18	88.6	70.8	96	63
September 19	88.5	70.7	96	62
September 20	88.5	70.7	95	63
September 21	88.5	70.7	93	61
September 22	88.5	70.6	94	60
September 23	88.4	70.6	96	63
September 24	88.4	70.5	95	62
September 25	88.4	70.5	95	60
September 26	88.3	70.5	92	61
September 27	88.3	70.5	93	60
September 28	88.3	70.5	93	63
September 29	88.3	70.5	93	63
September 30	88.3	70.5	94	62

Weather Station Details

Years	Station	Coordinates
1905–2024	Kahului Airport	location