Lake Toba (Danau Toba) in september: average Weather, Temperature and Climate
Weather in lake Toba in september 2025
The weather in lake Toba in the month of september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather UV index: 6
Weather at 6am
67°F
Moderate rain at times
30% of time
24%
19%
13%
Weather at 12pm
79°F
Heavy rain
34% of time
32%
23%
10%
Weather at 6pm
70°F
Heavy rain
56% of time
34%
4%
3%
Weather at 3am
65°F
33%
21%
19%
16%
Evolution of daily average temperature and precipitation in lake Toba in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in lake Toba in september.
The climate of Lake Toba (Danau Toba) in september is very bad
In september in lake Toba, the climate is wet (with 22.6in of precipitation over 22 days). The weather is better from the previous month since in august it receives an average of 23.5in of precipitation over 23 days.
The climate enjoyable there the month of september. The high seasonal norm is 79°F. On average, the recorded minimum temperature is 67°F. Thus, the mean temperature average in september in lake Toba is 74°F. Note that seasonal normals in contrast with those observed in lake Toba in september with a maximum record of 90°F in 2012 and a minimum record of 61°F in 2009.
Day length in lake Toba in september is 12:07. The sun rises at 06:17 and sunset is at 18:24.
With an unfavorable weather, this month is not recommended to go in this locality in Indonesia.
September: another location on the island of Sumatra?
If you want to go to Sumatra in september, there are destinations with better weather than Lake Toba (Danau Toba):
In september, Palembang, Banda Aceh, Bandar Lampung, Jambi City, Batam and Pulau Bangka have good weather.
Finally, Medan, Bengkulu, Bukittinggi, Dumai, Gunungsitoli (Pulau Nias) and Pematangsiantar have a tolerable climate, but better than Lake Toba (Danau Toba).
Seasonal average climate and temperature of Lake Toba (Danau Toba) in september
Check below seasonal norms These datas are set from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 74°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 90°F (2012) | ||||
| Lowest record temperature | 61°F (2009) | ||||
| Number of days at +86°F | 2 day(s) (7%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 6km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 22.6in | ||||
| Number of days with rainfall | 22 day(s) (74%) | ||||
| Record daily rainfall | 5.1in (2009) | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 7.48km | ||||
| Cloud cover | 58% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:17 | ||||
| Time of sunset | 18:24 | ||||
| Length of day | 12:07 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in lake Toba in september 2024:
65°F to 83°F
67°F to 77°F
63°F to 79°F
63°F to 79°F
63°F to 81°F
65°F to 79°F
65°F to 77°F
65°F to 68°F
65°F to 72°F
65°F to 77°F
65°F to 74°F
63°F to 77°F
65°F to 77°F
63°F to 77°F
65°F to 76°F
63°F to 77°F
63°F to 74°F
63°F to 74°F
63°F to 76°F
63°F to 77°F
63°F to 72°F
65°F to 77°F
63°F to 76°F
65°F to 74°F
65°F to 74°F
63°F to 68°F
65°F to 72°F
67°F to 76°F
65°F to 74°F
65°F to 74°F
Map: other cities on the island of Sumatra in september
Cities near Lake Toba (Danau Toba):
| Samosir in september | tolerable weather |
| Parapat in september | tolerable weather |
| Berastagi in september | very bad weather |
| Pematangsiantar in september | tolerable weather |
| Tebingtinggi in september | tolerable weather |
| Medan in september | tolerable weather |
| Bukit Lawang in september | tolerable weather |
| Kisaran in september | tolerable weather |
| Sibolga in september | tolerable weather |
| Tapaktuan in september | very bad weather |
| Padangsidempuan in september | tolerable weather |
| Gunung Leuser National Park in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Lake Toba (Danau Toba)
perfect weather
good
tolerable
bad
very bad
Weather data for Lake Toba (Danau Toba) in september:
Weather data for Lake Toba (Danau Toba) for september are derived from an average of the weather forecast since 2009 in lake Toba. There is a margin of error and these forecasts are to be considered as general information only. The weather in lake Toba can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to lake Toba.