Verdict: Excellent month
Maui Weather in September
September hits the sweet spot in Maui — highs around 26°C (79°F), ideal for a full day on foot. Rain is occasional — about 6 wet days in a typical year. Overall, September is one of the best months of the year to be in Maui.
Average high
26°C / 79°F
Average low
19°C / 66°F
Rain days
~6
Precipitation
26 mm
What to pack for Maui in September
- Summer clothes, plus one light layer for air-con and evenings
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Maui: Jul (27°C / 81°F) · Coolest: Feb (22°C / 72°F) · Wettest: Feb (~17 rain days)
23°
16°
Jan
22°
15°
Feb
22°
16°
Mar
23°
16°
Apr
24°
17°
May
26°
18°
Jun
27°
19°
Jul
27°
19°
Aug
26°
19°
Sep
26°
19°
Oct
24°
18°
Nov
23°
17°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)