Weather in Maui County, Hawaii for September 2026
Small Craft Advisory - See hour by hour.
Until now, September 2026 in Maui County is cooler than usual, with temperatures averaging 21.6 °F, this is 2.1 °F below the typical seasonal average.
The forecast for the next days in Maui County predicts temperatures to be around 20 °F, close to the historical average.
In general, the average temperature in Maui County at the beginning of September is 23 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °F by the end of September.
The climate of Maui County in September is notably wet, with an average of 12 rainy days, and a total of 25.6 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
Maui County Weather September
Temperatures trend during September in Maui County
September weather in Maui County day by day
| 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 | 25° /20° | 4.8 mm | 6 | |
| Sept. 18 | Patchy rain possible | 25° /20° | 1.1 mm | 5 | |
| Sept. 19 | Patchy rain possible | 22° /17° | 0.5 mm | 11.1 | |
| Sept. 20 | Patchy rain possible | 22° /16° | 0.3 mm | 11.5 | |
| Sept. 21 | Patchy rain possible | 22° /16° | 0.6 mm | 11.1 | |
| Sept. 22 | Light rain shower | 21° /18° | 6.1 mm | 5 | |
| Sept. 23 | Light rain shower | 20° /17° | 11.7 mm | 4 | |
| Sept. 24 | Light rain shower | 19° /17° | 7.2 mm | 4 | |
| Sept. 25 | Patchy rain possible | 19° /16° | 0.8 mm | 4 | |
| Sept. 26 | Patchy rain possible | 18° /16° | 1.4 mm | 4 | |
| Sept. 27 | Patchy rain possible | 20° /15° | 0.7 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /15° | 1.2 mm | 5 | |
| Sept. 29 | Patchy rain possible | 19° /14° | 2 mm | 4 | |
| Sept. 30 | Light rain shower | 20° /15° | 5.2 mm | 4 | |
| Next | |||||
Maui County in September - FAQ
What are the expected maximum and minimum temperatures in Maui County during September?
How much rainfall should be expected in Maui County during September?
What are the typical wind conditions in Maui County during September?
September rainfall patterns in Maui County
UV exposure in Maui County during September
Quick links
Get accurate weather forecasts for Maui County, located at latitude 20.77 and longitude -156.268. Stay updated with localized weather information tailored for Maui County.