Maui (HI)
September
Weather in Maui, Hawaii for September 2026
Your guide to Maui weather in September - trends and predictions
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Until now, September 2026 in Maui is cooler than usual, with temperatures averaging 21.2 °F, this is 2.3 °F below the typical seasonal average.
Expect cooler weather in the next days in Maui with the forecast suggesting a temperature of 20.5 °F, lower than the historical average.
In general, the average temperature in Maui at the beginning of September is 23 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.1 °F by the end of September.
The climate of Maui in September is notably wet, with an average of 12 rainy days, and a total of 25.6 mm of precipitation.
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18
Dry days
12
Rainy days
0
Snow days
24°/21°
Temperatures
18 km/h
Avg max wind
75 %
Avg humidity
Maui Weather September
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Temperatures trend during September in Maui
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September weather in Maui day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 23° /19° | 1.1 mm | 6 | |
| Sept. 2 | Patchy rain possible | 23° /18° | 0.7 mm | 6 | |
| Sept. 3 | Patchy rain possible | 23° /18° | 0.4 mm | 6 | |
| Sept. 4 | Patchy rain possible | 23° /18° | 0.4 mm | 6 | |
| Sept. 5 | Patchy rain possible | 23° /18° | 0.7 mm | 7 | |
| Sept. 6 | Patchy rain possible | 23° /19° | 8.6 mm | 4 | |
| Sept. 7 | Light rain shower | 23° /19° | 4.4 mm | 4 | |
| Sept. 8 | Patchy rain possible | 24° /19° | 1.4 mm | 5 | |
| Sept. 9 | Patchy rain possible | 24° /20° | 15 mm | 4 | |
| Sept. 10 | Patchy rain possible | 24° /20° | 1.1 mm | 4 | |
| Sept. 11 | Patchy rain possible | 24° /19° | 0.3 mm | 7 | |
| Sept. 12 | Patchy rain possible | 24° /20° | 0.2 mm | 8 | |
| Sept. 13 | Patchy rain possible | 24° /20° | 0.3 mm | 8 | |
| Sept. 14 | Patchy rain possible | 24° /19° | 0.8 mm | 7 | |
| Sept. 15 | Patchy rain possible | 24° /20° | 2.8 mm | 7 | |
| Sept. 16 | Patchy rain possible | 25° /20° | 1.5 mm | 6 | |
| Sept. 17 | Patchy rain possible | 22° /18° | 30.3 mm | 10.3 | |
| Sept. 18 | Patchy rain possible | 21° /17° | 3.4 mm | 10.4 | |
| Sept. 19 | Patchy rain possible | 21° /16° | 0.5 mm | 7.9 | |
| Sept. 20 | Patchy rain possible | 21° /16° | 0.5 mm | 10.6 | |
| Sept. 21 | Patchy rain possible | 21° /16° | 1.5 mm | 5 | |
| Sept. 22 | Light rain shower | 20° /18° | 29.9 mm | 4 | |
| Sept. 23 |  Moderate or heavy rain shower | 20° /19° | 83.5 mm | 4 | |
| Sept. 24 | Light rain shower | 20° /19° | 24.4 mm | 4 | |
| Sept. 25 | Patchy rain possible | 21° /19° | 3.3 mm | 5 | |
| Sept. 26 | Patchy rain possible | 22° /19° | 4 mm | 5 | |
| Sept. 27 | Light rain shower | 20° /18° | 19.8 mm | 4 | |
| Sept. 28 | Patchy rain possible | 18° /16° | 1.7 mm | 4 | |
| Sept. 29 | Patchy rain possible | 20° /16° | 1.3 mm | 4 | |
| Sept. 30 | Patchy rain possible | 20° /16° | 1.6 mm | 4 | |
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Important Notice
Our weather forecast for Maui in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Maui forecast closer to your planned date for the most up-to-date weather information.
Change Month
Maui in September - FAQ
What are the expected maximum and minimum temperatures in Maui during September?
During September, expect a variety of temperatures with highs around 24° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Maui during September?
In September, Maui can expect light to moderate rainfall, totaling 25.6 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Maui during September?
The average wind speed in Maui during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Maui
Explore the daily rainfall trends and prepare for Mauis September weather 💧
Typically, Maui has 12 rainy days in September with a total of 25.6 mm of rainfall.
UV exposure in Maui during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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