Verdict: Good month
Bali Weather in September
September hits the sweet spot in Bali — highs around 19°C (66°F), ideal for a full day on foot. It's also the wet side of the calendar: rain falls on about 25 days, so build flexibility into plans. Overall, September is a solid month to visit Bali.
Average high
19°C / 66°F
Average low
13°C / 55°F
Rain days
~25
Precipitation
135 mm
What to pack for Bali in September
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 25 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Bali: Feb (20°C / 68°F) · Coolest: Jul (18°C / 64°F) · Wettest: Jan (~30 rain days)
19°
14°
Jan
20°
14°
Feb
20°
14°
Mar
20°
14°
Apr
20°
14°
May
19°
13°
Jun
18°
12°
Jul
19°
12°
Aug
19°
13°
Sep
20°
13°
Oct
20°
14°
Nov
19°
14°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)