Measurements:
°C
°F
CURRENT WEATHER
03:01
Maui
66°F
W 3 mph
Feels like: 66°F
Precip: 16%
World Resorts USA Maui Weather

7 Day Weather Forecast

09.15
tue
DAY
74°F
W 5 mph
precip
20%
NIGHT
64°F
W 8 mph
precip
20%
09.16
wed
DAY
72°F
W 6 mph
precip
17%
NIGHT
68°F
SW 9 mph
precip
30%
09.17
thu
DAY
72°F
W 9 mph
precip
64%
NIGHT
66°F
W 10 mph
precip
33%
09.18
fri
DAY
72°F
W 9 mph
precip
19%
NIGHT
64°F
W 10 mph
precip
29%
09.19
sat
DAY
68°F
W 9 mph
precip
34%
NIGHT
64°F
W 9 mph
precip
31%
09.20
sun
DAY
68°F
W 9 mph
precip
24%
NIGHT
62°F
W 10 mph
precip
19%
09.21
mon
DAY
70°F
W 6 mph
precip
15%
NIGHT
64°F
W 9 mph
precip
22%

Maui Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Maui was 26.6°F. The maximum and minimum values were 26.3°F and 27.1°F respectively.

Maui on the Weather Map

Best Time to Visit Maui
The most sunny months:
January 14 days
October 14 days
August 13 days
The most warm months:
September 81.8 °F
August 81.4 °F
July 81.0 °F
Warmest sea temperature:
September 83.3 °F
October 83.3 °F
August 82.6 °F
The most cold months:
February 74.2 °F
March 74.5 °F
January 74.7 °F
The most rainy months:
October 4 days
April 4 days
February 4 days
The most windy months:
July 14 mph
June 13 mph
November 12 mph
more details