Bukit Lawang in september: average Weather, Temperature and Climate
Weather in Bukit Lawang in september 2025
The weather in Bukit Lawang in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
76°F
Partly Cloudy
39% of time
27%
21%
8%
Weather at 12pm
94°F
Partly Cloudy
43% of time
30%
23%
4%
Weather at 6pm
79°F
Moderate rain at times
35% of time
32%
20%
12%
Weather at 3am
76°F
32%
31%
24%
8%
Evolution of daily average temperature and precipitation in Bukit Lawang in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Bukit Lawang in september.
The climate of Bukit Lawang in september is tolerable
The climate in september in Bukit Lawang is wet (with 9.1in of precipitation over 15 days). The weather's not getting better compared to the previous month since in august there is an average of 8.2in of rainfall over 15 days.
The climate is very hot in that area this month. The high seasonal norm is 94°F. The minimum is 76°F. Thus, the mean temperature average in september in Bukit Lawang is 85°F. Note that seasonal normals in contrast with those observed in Bukit Lawang in the month of september with a maximum record of 101°F in 2013 and a minimum record of 68°F in 2009. You can expect to have 86°F or more throughout the month.
On average, in Bukit Lawang, the days of september last 12:08. The sun rises at 06:18 and sunset is at 18:26.
With a correct climate, this month is okay (but not good) to go there.
September: another location on the island of Sumatra?
If you want to go to Sumatra in september, there are destinations with better weather than Bukit Lawang:
In september, Palembang, Banda Aceh, Bandar Lampung, Jambi City, Batam and Pulau Bangka have good weather.
Seasonal average climate and temperature of Bukit Lawang in september
Check below seasonal norms These statistics are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 101°F (2013) | ||||
| Lowest record temperature | 68°F (2009) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 8km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.1in | ||||
| Number of days with rainfall | 15 day(s) (51%) | ||||
| Record daily rainfall | 1.9in (2009) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.09km | ||||
| Cloud cover | 39% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:18 | ||||
| Time of sunset | 18:26 | ||||
| Length of day | 12:08 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Bukit Lawang in september 2024:
74°F to 92°F
74°F to 88°F
72°F to 92°F
72°F to 92°F
72°F to 92°F
74°F to 92°F
74°F to 88°F
74°F to 79°F
72°F to 83°F
72°F to 90°F
74°F to 81°F
70°F to 92°F
72°F to 88°F
72°F to 90°F
72°F to 90°F
72°F to 92°F
74°F to 90°F
72°F to 90°F
70°F to 90°F
72°F to 92°F
72°F to 77°F
72°F to 92°F
72°F to 88°F
74°F to 86°F
72°F to 88°F
72°F to 83°F
72°F to 85°F
76°F to 86°F
74°F to 88°F
72°F to 83°F
Map: other cities on the island of Sumatra in september
Cities near Bukit Lawang:
| Berastagi in september | very bad weather |
| Medan in september | tolerable weather |
| Lake Toba (Danau Toba) in september | very bad weather |
| Gunung Leuser National Park in september | tolerable weather |
| Langsa in september | tolerable weather |
| Tapaktuan in september | very bad weather |
| Tebingtinggi in september | tolerable weather |
| Pematangsiantar in september | tolerable weather |
| Samosir in september | tolerable weather |
| Parapat in september | tolerable weather |
| Kisaran in september | tolerable weather |
| Takengon in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Bukit Lawang
perfect weather
good
tolerable
bad
very bad
Weather data for Bukit Lawang in september:
Weather data for Bukit Lawang for september are derived from an average of the weather forecast since 2009 in Bukit Lawang. There is a margin of error and these forecasts are to be considered as general information only. The weather in Bukit Lawang 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 Bukit Lawang.