Kotabaru Weather in September

Kotabaru in September averages 28°C (82°F) during the day and 19°C (66°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Kotabaru in September

As part of the rainy season, Kotabaru sees around 18 days of rain in September, with an average of 350 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Kotabaru in September

Expect highs of 28°C (82°F) in Kotabaru in September, with nights dropping to around 19°C (66°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

September in Kotabaru has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Indonesia, check out our Kotabaru's climate page.

Kotabaru Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 61%  

Precipitation 350 mm (14 in)  

Rainy days 18 days  

What to Wear in Kotabaru in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.

What To Do in Kotabaru in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Kotabaru's climate page.

More climate data for Kotabaru

Temperature Rainfall

See the full Kotabaru climate overview or explore weather in Indonesia.