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Weather in Batam for September 2025

Your guide to Batam weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Batam is slightly cooler than the historical average by -1.2 °C.

  • The forecast for the upcoming days in Batam predicts a temperature of 30.1 °C, which is slightly above the historical average.

  • In general, the average temperature in Batam at the beginning of September is 29.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.9 °C by the end of September.

    • Rain 🌧️

  • Batam experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 176.3 mm.

    • More

  • Is September a good time to visit Batam? check out the best time to travel to Batam page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
3
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/26°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Batam Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
30°
2
Patchy rain possible
29°
3
Light rain shower
29°
4
Light rain shower
29°
5
Light rain shower
29°
6
Patchy rain possible
29°
7
Patchy rain possible
30°
8
Light rain shower
28°
9
Light rain shower
29°
10
Light rain shower
28°
11
Patchy rain possible
29°
12
Light rain shower
28°
13
Patchy rain possible
27°
14
Patchy rain possible
29°
15
Patchy rain possible
30°
16
Patchy rain possible
29°
17
Moderate rain
28°
18
Patchy rain possible
30°
19
Moderate rain
27°
20
Patchy rain possible
30°
21
Patchy rain possible
31°
22
Patchy rain possible
31°
23
Patchy rain possible
30°
24
Sunny
31°
25
Patchy rain possible
31°
26
Sunny
31°
27
Sunny
31°
28
Patchy rain possible
31°
29
Patchy rain possible
31°
30
Light rain shower
30°

Temperatures trend during September in Batam

See the weather trend as well as the moving average line

September weather in Batam day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Cloudy
Cloudy
 30° /26° 3.6 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 13.8 mm 7
3 Sept. Light rain shower
Light rain shower
 29° /26° 6 mm 7
4 Sept. Light rain shower
Light rain shower
 29° /26° 6.4 mm 7
5 Sept. Light rain shower
Light rain shower
 29° /26° 11.3 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 8.7 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 5.9 mm 7
8 Sept. Light rain shower
Light rain shower
 28° /25° 6.1 mm 7
9 Sept. Light rain shower
Light rain shower
 29° /25° 8 mm 6
10 Sept. Light rain shower
Light rain shower
 28° /26° 6.7 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 7.8 mm 6
12 Sept. Light rain shower
Light rain shower
 28° /26° 13.3 mm 6
13 Sept. Patchy rain possible
Patchy rain possible
 27° /24° 6.5 mm 6
14 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 5.6 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 5.7 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 29° /27° 4.3 mm 2.2
17 Sept. Moderate rain
Moderate rain
 28° /25° 12.1 mm 1
18 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 1.9 mm 3.1
19 Sept. Moderate rain
Moderate rain
 27° /26° 11 mm 1.1
20 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 0.2 mm 3.5
21 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 1.2 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 0.1 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 30° /27° 4.2 mm 6
24 Sept. Sunny
Sunny
 31° /27° 0 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 1.1 mm 6
26 Sept. Sunny
Sunny
 31° /27° 0 mm 7
27 Sept. Sunny
Sunny
 31° /27° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 0 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 0.3 mm 6
30 Sept. Light rain shower
Light rain shower
 30° /27° 5.8 mm 7
Next
Important Notice
Our weather forecast for Batam in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Batam forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Batam weather in September vs August vs October

Compare September weather in Batam with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures29°/26°30°/26°30°/26°
Rainfall210 mm176 mm158 mm
Wind18 km/h15 km/h14.4 km/h
Humidity74%74%72%
Rainy days31 days27 days24 days
Dry days0 days3 days7 days

Planning a trip to Batam? Discover the best time to visit

Batam in September - FAQ

What are the expected maximum and minimum temperatures in Batam during September?
During September, expect a variety of temperatures with highs around 30° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Batam during September?
Significant rainfall exceeding 176.3 mm is expected in Batam during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Batam during September?
The average wind speed in Batam during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Batam in September?

As you prepare for your trip to Batam in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Batam, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

September rainfall patterns in Batam

Explore the daily rainfall trends and prepare for Batams September weather 💧

UV exposure in Batam during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Batam?

Get accurate weather forecasts for Batam, located at latitude 1.149 and longitude 104.025. Stay updated with localized weather information tailored for Batam.

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