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Balikpapan in September: Weather, Average temperature and Climate

Discover the weather for Balikpapan in September and if it’s a good time to travel (based on historical data).
Check flight prices to Balikpapan on Avionero:
September

Weather in Balikpapan in September 2025

OK Weather
Warm
🌧️
Rainy
September could be a good time to visit Balikpapan, as the weather is generally fine. The average high temperature is around +30°C, and there are typically 0 sunny days in September. However, expect about 23 rainy days, and total monthly rainfall of approximately 114 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the driest month of the year in Balikpapan

Average weather

☀️
+30°C
Avg. max. temperature
+23°C
Min.
+33°C
Max.
114 mm
Total precipitation
84%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
5 ⛅️
Cloudy
23 🌦
Rainy
Our opinion: Balikpapan has OK weather in September.

Average temperature in Balikpapan in September

Here are the expected maximum, average and minimum temperatures in Balikpapan for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +31°C with a maximum of +33°C and a minimum of +24°C.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +31°C to +31°C.

Is Balikpapan warm or cold in September?

Balikpapan is typically warm in September.

Maximum temperatures go up compared to the previous month from +30°C to +30°C. The minimum temperature also goes up from +25°C to +25°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Balikpapan:

Climate in Balikpapan in September

Balikpapan weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+30°C+30°C+30°C
Min. temperature
+23°C+23°C+23°C
Max. temperature
+33°C+33°C+34°C
Rainfall
102 mm114 mm143 mm
Wind
2 m/s2 m/s1 m/s
Humidity
85%84%85%
Air pressure
1009 HPa1009 HPa1009 HPa
Sunny days
000
Cloudy days
552
Rainy days
252325
Snowy days
000

September weather is still as ok as in August. The temperature levels stay the same in the area of +30°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 102 mm to 114 mm. It feels drier, as humidity decreases from 85% to 84%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Balikpapan in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Balikpapan is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Balikpapan based on historical data.
Last Year
Historical Data
Total precipitation in September is about 54 mm, with a 33% chance of rain on a typical day. The maximum amount of rainfall per day is around 15 mm, which is considered light rain. September is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Balikpapan wettest month is December, where a typical day has a 81% chance of precipitation and 250 mm of rainfall per day. August, on the other hand, is the driest month with a mere 81% chance of precipitation and 102 mm of rainfall per day.

How was the weather last September in Balikpapan?

This is the weather in Balikpapan in September 2024:
1 September
☀️
+31°C
2 September
☀️
+31°C
3 September
☀️
+30°C
4 September
☀️
+31°C
5 September
☁️
+32°C
6 September
☁️
+32°C
7 September
☁️
+31°C
8 September
☀️
+31°C
9 September
☀️
+31°C
10 September
☀️
+32°C
11 September
☀️
+30°C
12 September
🌧️
+28°C
13 September
☀️
+30°C
14 September
☁️
+31°C
15 September
☀️
+31°C
16 September
☀️
+32°C
17 September
☁️
+28°C
18 September
🌧️
+31°C
19 September
☀️
+30°C
20 September
☁️
+31°C
21 September
☀️
+32°C
22 September
☁️
+31°C
23 September
☁️
+31°C
24 September
☀️
+32°C
25 September
☀️
+31°C
26 September
☀️
+31°C
27 September
☀️
+32°C
28 September
☀️
+33°C
29 September
☀️
+33°C
30 September
☀️
+31°C
In September 2024 Balikpapan had 20 sunny days, 8 cloudy days, and 2 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +33°C and a minimum of +28°C. The average humidity was 82%, with a maximum of 100% and a minimum of 66%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Balikpapan climate have been changing during last 43 years period.

The climate in Balikpapan in September has not changed much over the last 43 years.

The average temperature was the lowest in 1984 (+29°C) and the highest in 1998 (+31°C). The driest year was 1997 with only 1404 mm of rainfall, and the wettest year was 2010 with 2973 mm.

FAQ

Frequently asked questions about the weather in Balikpapan in September:

Is September a good time to visit Balikpapan?

It’s always a good time to visit Balikpapan, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Balikpapan in September?

September is warm in Balikpapan. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Balikpapan rainy in September?

Balikpapan is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Balikpapan in September?

Usually, it’s not very sunny in Balikpapan in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Indonesia

Check out the weather for other cities in Indonesia.

Monthly weather in Balikpapan

Source of the data

For this page, we’ve looked at the typical weather in Balikpapan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.