Pulau Siberut in september: average Weather, Temperature and Climate
Weather in Pulau Siberut in september 2025
The weather in Pulau Siberut in september comes from statistical datas on the past 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
bad weather UV index: 6
Weather at 6am
72°F
Moderate rain at times
33% of time
27%
22%
17%
Weather at 12pm
79°F
Moderate rain at times
37% of time
23%
23%
17%
Weather at 6pm
79°F
Heavy rain
47% of time
34%
13%
7%
Weather at 3am
70°F
43%
23%
17%
16%
Evolution of daily average temperature and precipitation in Pulau Siberut in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Pulau Siberut in september.
The climate of Pulau Siberut in september is bad
The climate in september in Pulau Siberut is wet (with 16.3in of rainfall over 20 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 15.2in of rainfall over 19 days.
The climate nice here september. The thermometer averaged maximum of 83°F. The seasonal minimum is 72°F. Thus, the mean temperature average on this month of september in Pulau Siberut is 77°F. Note that these seasonal averages are in contrast with those observed in Pulau Siberut in the month of september with a maximum record of 90°F in 2021 and a minimum record of 67°F in 2014.
On average, in Pulau Siberut, the days of september last 12:06. Sunrise is at 06:16 and sunset is at 18:22.
With proper weather, the month of september is okay (but not the best) to go in Pulau Siberut.
September: another location on the island of Sumatra?
If you want to go to Sumatra in september, there are destinations with better weather than Pulau Siberut:
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 Pulau Siberut.
Seasonal average climate and temperature of Pulau Siberut in september
Check below seasonal norms These datas are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 77°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 90°F (2021) | ||||
| Lowest record temperature | 67°F (2014) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 88°F | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 16.3in | ||||
| Number of days with rainfall | 20 day(s) (66%) | ||||
| Record daily rainfall | 4.5in (2017) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.79km | ||||
| Cloud cover | 44% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:16 | ||||
| Time of sunset | 18:22 | ||||
| Length of day | 12:06 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Pulau Siberut in september 2024:
72°F to 86°F
72°F to 85°F
72°F to 81°F
72°F to 83°F
72°F to 83°F
72°F to 83°F
70°F to 81°F
76°F to 81°F
76°F to 79°F
70°F to 83°F
72°F to 85°F
72°F to 81°F
70°F to 83°F
70°F to 85°F
70°F to 83°F
72°F to 81°F
68°F to 79°F
68°F to 79°F
68°F to 81°F
70°F to 83°F
72°F to 85°F
70°F to 85°F
70°F to 83°F
76°F to 83°F
72°F to 79°F
72°F to 83°F
72°F to 85°F
72°F to 81°F
70°F to 83°F
70°F to 83°F
Map: other cities on the island of Sumatra in september
Cities near Pulau Siberut:
| Pariaman in september | tolerable weather |
| Padang City in september | bad weather |
| Lac Maninjau in september | tolerable weather |
| Bukittinggi in september | tolerable weather |
| Payakumbuh in september | tolerable weather |
| Kerinci Seblat National Park in september | tolerable weather |
| Padangsidempuan in september | tolerable weather |
| Gunungsitoli (Pulau Nias) in september | tolerable weather |
| Tesso Nilo National Park in september | tolerable weather |
| Sibolga in september | tolerable weather |
| Pekanbaru in september | tolerable weather |
| Bukit Tigapuluh National Park in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Pulau Siberut
perfect weather
good
tolerable
bad
very bad
Weather data for Pulau Siberut in september:
Weather data for Pulau Siberut for september are derived from an average of the weather forecast since 2009 in Pulau Siberut. There is a margin of error and these forecasts are to be considered as general information only. The weather in Pulau Siberut 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 Pulau Siberut.