West Sumatra Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in West Sumatra, Indonesia in September.

Considering a trip to West Sumatra, Indonesia this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in West Sumatra in September

West Sumatra, Indonesia is a region in Indonesia. September in West Sumatra generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 19°C (66°F) in Bukittinggi.

For specific regional insights in West Sumatra, Indonesia, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Sawahlunto with an average of 172 mm (6.8 in) to heavy rainfall in Matur with 403 mm (16 in).

Explore West Sumatra by month

Best Places to Visit in West Sumatra in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across West Sumatra.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in West Sumatra

What is the weather like in September for some of the most popular destinations in West Sumatra, Indonesia?

Temperature range in West Sumatra (September)

Precipitation variation in West Sumatra (September)

Bukittinggi

In September Bukittinggi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
324 mm (13 in)
365 mm (14 in)
405 mm (16 in)
Monthly rainy days
16 days
18 days
21 days
Weather conditions

Matur

In September Matur generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
359 mm (14 in)
403 mm (16 in)
450 mm (18 in)
Monthly rainy days
16 days
18 days
21 days
Weather conditions

Kotabaru

In September Kotabaru generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
20°C (68°F)
Monthly rainfall
317 mm (12 in)
350 mm (14 in)
388 mm (15 in)
Monthly rainy days
17 days
18 days
21 days
Weather conditions

Sawahlunto

In September Sawahlunto generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
144 mm (5.7 in)
172 mm (6.8 in)
194 mm (7.6 in)
Monthly rainy days
15 days
17 days
20 days
Weather conditions

Batusangkar

In September Batusangkar generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
28°C (82°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
234 mm (9.2 in)
263 mm (10 in)
293 mm (12 in)
Monthly rainy days
16 days
18 days
21 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in West Sumatra, in Indonesia.

In our records: Indonesia September extremes

Notable September records observed across cities in Indonesia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Indonesia was 18°C (64°F) in Bandung on September 23, 2003.

Popular cities in September

Day & night temperatures, rainfall and average weather in West Sumatra in September.

City Weather Day temp Night temp Rainfall
Bukittinggi 28°C (82°F) 19°C (66°F) 365 mm (14 in)
Matur 28°C (82°F) 20°C (68°F) 403 mm (16 in)
Kotabaru 28°C (82°F) 19°C (66°F) 350 mm (14 in)
Sawahlunto 30°C (86°F) 20°C (68°F) 172 mm (6.8 in)
Batusangkar 28°C (82°F) 19°C (66°F) 263 mm (10 in)
Padang Panjang 28°C (82°F) 20°C (68°F) 352 mm (14 in)

West Sumatra weather in September: frequently asked questions

What is the weather like in West Sumatra, Indonesia in September?

September in West Sumatra, Indonesia brings poor weather. In Bukittinggi, daytime temperatures are typically around 28°C (82°F) and nighttime lows hover near 19°C (66°F).

What is the average temperature in West Sumatra, Indonesia in September?

Daytime temperatures in Bukittinggi peak at roughly 28°C (82°F) in September, dropping to about 19°C (66°F) overnight.

Does West Sumatra, Indonesia get a lot of rain in September?

Yes. September brings heavy rainfall to West Sumatra, Indonesia, with Bukittinggi averaging around 365 mm (14 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit West Sumatra, Indonesia?

In our view, September might not be the best time to travel to West Sumatra, Indonesia with often poor weather in Bukittinggi.

Generally speaking, June and July provide unpleasant weather in Bukittinggi.

Interested in more climate information?

We have much more information about the climate in West Sumatra.

Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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