Climate guide for Lake Toba, Indonesia

Lake Toba in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Indonesia

Best time to visit Lake Toba in SeptemberWeather, crowds & prices

September score

6.8/10

Ranked #1 of 12 months

Full year for Lake Toba
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.

View all 12 months

Balanced weather, cost & crowd levels

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.

Explore destinations around the world