September Rainfall and Precipitation in Sumatra
Average rainfall, rainy days and the driest cities in Sumatra, Indonesia in September.
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Best Places to Visit in Sumatra in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sumatra.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Popular cities in Sumatra
Pick a city to see its September weather averages.
Regions and islands in Indonesia
Drill down to September weather for any region in Indonesia.
- Aceh
- Bali
- Bangka Belitung
- Banten
- Batam
- Bengkulu
- Bintan
- Borneo
- Central Java
- Central Kalimantan
- Central Sulawesi
- East Java
- East Kalimantan
- East Nusa Tenggara
- Flores Island
- Gorontalo
- Jakarta Province
- Jambi
- Lampung
- Lombok
- Maluku
- North Maluku
- North Sulawesi
- North Sumatra
- Papua
- Pulau Weh
- Raja Ampat
- Riau
- Riau Archipelago
- Samosir Island
- South East Sulawesi
- South Kalimantan
- South Sulawesi
- South Sumatra
- Tana Toraja
- West Java
- West Kalimantan
- West Nusa Tenggara
- West Papua
- West Sumatra
- Yogyakarta Province
Sumatra precipitation in September: frequently asked questions
How much rainfall does Sumatra, Indonesia receive in September?
If you're considering a trip to Sumatra, Indonesia, remember that September falls within the rainy season. Medan is characterized by its unpredictable weather, often receiving about 341 mm (13 in) of rain, which leads to frequent and sudden showers.
How many days does it rain in Sumatra, Indonesia in September?
On average, Medan has about 15 days days of rain in September.
Is September part of the rainy season in Sumatra, Indonesia?
Yes. September falls within the rainy season in Sumatra, Indonesia. Expect more frequent showers and pack accordingly.
What is the wettest city in September in Sumatra, Indonesia?
Matur is the wettest city in Sumatra, Indonesia in September according to our database, with average rainfall of around 403 mm (16 in).
What is the driest city in September in Sumatra, Indonesia?
The driest place is Kalianda with an average rainfall of 74 mm (2.9 in) according to our data.
Interested in more climate information?
We have much more information about the climate in 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.
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