September · Indonesia
Best time to visit Lake Toba in SeptemberWeather, crowds & prices
September score
6.8/10
Ranked #1 of 12 months
- Avg temp
- 28°C
- Rainfall
- 250 mm
- Humidity
- 86%
- Sunny days
- 12
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Lake Toba scores 6.8/10 for nature and wildlife travel - the single best month of the year. Expect around 28°C, 250 mm of rain, and roughly 12 sunny days this month.
Lake Toba fills a vast volcanic caldera on Sumatra—Batak villages on Samosir Island and misty lakeside viewpoints. Best window: the drier months outside peak monsoon.
Curated in Lake Toba
Tickets & experiences
Things to do in Lake Toba
Lake Toba, Indonesia. Live activities and tours from GetYourGuide, matched to this destination.

