South Sumatra Weather in September

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

Planning a trip to South Sumatra, Indonesia this September? Here's what you need to know about the weather:

What to Expect in South Sumatra in September

South Sumatra, Indonesia is a region in Indonesia. September in South Sumatra generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high.

Temperatures

The average maximum daytime temperatures vary from warm in Pagar Alam at 27°C (81°F) to very warm in Palembang at 34°C (93°F). Nighttime temperatures generally drop to 24°C (75°F) in Palembang and 21°C (70°F) in Pagar Alam. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Palembang with an average of 95 mm (3.7 in) to high rainfall in Pagar Alam with 154 mm (6.1 in).

Average sunshine

Sunshine is moderately available across various locations. In Palembang, you can expect around 122 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore South Sumatra by month

Best Places to Visit in South Sumatra in September

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

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

Temperature range in South Sumatra (September)

Precipitation variation in South Sumatra (September)

Palembang

In September Palembang generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
33°C (91°F)
34°C (93°F)
34°C (93°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
152 hours
122 hours
163 hours
Monthly rainfall
84 mm (3.3 in)
95 mm (3.7 in)
183 mm (7.2 in)
Monthly rainy days
11 days
12 days
16 days
Weather conditions

Pagar Alam

In September Pagar Alam generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Min temperature
20°C (68°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
176 hours
171 hours
163 hours
Monthly rainfall
119 mm (4.7 in)
154 mm (6.1 in)
220 mm (8.7 in)
Monthly rainy days
10 days
11 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in South 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 South Sumatra in September.

City Weather Day temp Night temp Rainfall
Palembang 34°C (93°F) 24°C (75°F) 95 mm (3.7 in)
Pagar Alam 27°C (81°F) 21°C (70°F) 154 mm (6.1 in)

South Sumatra weather in September: frequently asked questions

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

Expect poor weather across South Sumatra, Indonesia in September. The popular destination of Palembang averages 34°C (93°F) by day and 24°C (75°F) at night during this month.

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

Palembang averages a daytime maximum of 34°C (93°F) in September, with overnight lows close to 24°C (75°F).

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

Not particularly. Palembang averages just 95 mm (3.7 in) of rain in September, making it a mostly dry month for South Sumatra, Indonesia.

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

Given the typically tolerable weather conditions in Palembang, September may not be the ideal time to visit South Sumatra, Indonesia.

Generally speaking, July and August provide unpleasant weather in Palembang.

Interested in more climate information?

We have much more information about the climate in South 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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