Kota Surabaya (Surabaya)
September
Weather in Kota Surabaya for September 2025
Your guide to Kota Surabaya weather in September - trends and predictions
In general, the average temperature in Kota Surabaya at the beginning of September is 31.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 32.4 °C by the end of September.
Precipitation in Kota Surabaya during September is a rare event, with an average of fewer than 2 rainy days.
Is September a good time to visit Kota Surabaya? check out the best time to travel to Kota Surabaya page.
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29
Dry days
1
Rainy days
0
Snow days
31°/23°
Temperatures
19 km/h
Avg max wind
62 %
Avg humidity
Kota Surabaya in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2 31° | 3 32° | 4 32° | 5 31° | 6 32° | 7  32° |
| 8 31° | 9 32° | 10 32° | 11 32° | 12 32° | 13 32° | 14 32° |
| 15 33° | 16 32° | 17  32° | 18  32° | 19 32° | 20 32° | 21 32° |
| 22 32° | 23 32° | 24 32° | 25 32° | 26 33° | 27 32° | 28 32° |
| 29 33° | 30 33° |
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Temperatures trend during September in Kota Surabaya
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 31° /23° | 0 mm | 9 | |
| 2 Sept. | Sunny | 31° /23° | 0.1 mm | 9 | |
| 3 Sept. | Sunny | 32° /23° | 0.1 mm | 9 | |
| 4 Sept. | Sunny | 32° /23° | 0.2 mm | 8 | |
| 5 Sept. | Sunny | 31° /23° | 0.1 mm | 8 | |
| 6 Sept. | Sunny | 32° /24° | 0 mm | 9 | |
| 7 Sept. | Partly cloudy | 32° /24° | 0.7 mm | 8 | |
| 8 Sept. | Partly cloudy | 31° /24° | 0.3 mm | 9 | |
| 9 Sept. | Sunny | 32° /24° | 0.3 mm | 8 | |
| 10 Sept. | Sunny | 32° /24° | 2.7 mm | 8 | |
| 11 Sept. | Sunny | 32° /24° | 0.3 mm | 8 | |
| 12 Sept. | Partly cloudy | 32° /24° | 0.2 mm | 8 | |
| 13 Sept. | Sunny | 32° /24° | 0 mm | 9 | |
| 14 Sept. | Partly cloudy | 32° /24° | 0 mm | 9 | |
| 15 Sept. | Sunny | 33° /23° | 0.1 mm | 8 | |
| 16 Sept. | Sunny | 32° /24° | 0 mm | 8 | |
| 17 Sept. | Patchy rain possible | 32° /24° | 0.3 mm | 8 | |
| 18 Sept. | Overcast | 32° /24° | 0 mm | 8 | |
| 19 Sept. | Patchy rain possible | 32° /24° | 0 mm | 8 | |
| 20 Sept. | Patchy rain possible | 32° /24° | 0.1 mm | 8 | |
| 21 Sept. | Partly cloudy | 32° /24° | 0.1 mm | 8 | |
| 22 Sept. | Sunny | 32° /24° | 0.1 mm | 8 | |
| 23 Sept. | Sunny | 32° /24° | 2.2 mm | 8 | |
| 24 Sept. | Patchy rain possible | 32° /25° | 0.4 mm | 8 | |
| 25 Sept. | Patchy rain possible | 32° /24° | 1.1 mm | 8 | |
| 26 Sept. | Sunny | 33° /24° | 1.9 mm | 8 | |
| 27 Sept. | Sunny | 32° /24° | 2.4 mm | 8 | |
| 28 Sept. | Sunny | 32° /25° | 0.4 mm | 8 | |
| 29 Sept. | Partly cloudy | 33° /25° | 0.1 mm | 8 | |
| 30 Sept. | Partly cloudy | 33° /25° | 0.1 mm | 9 | |
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Important Notice
Our weather forecast for Kota Surabaya 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 Kota Surabaya forecast closer to your planned date for the most up-to-date weather information.
Kota Surabaya in September - FAQ
What are the expected maximum and minimum temperatures in Kota Surabaya during September?
During September, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kota Surabaya during September?
Rainfall in Kota Surabaya during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Kota Surabaya during September?
The average wind speed in Kota Surabaya during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Kota Surabaya in September?
As you prepare for your trip to Kota Surabaya 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 Kota Surabaya, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Kota Surabaya
Explore the daily rainfall trends and prepare for Kota Surabayas September weather 💧
UV exposure in Kota Surabaya during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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