West Java (Bandung)
September
Weather in West Java for September 2026
Your guide to West Java weather in September - trends and predictions
In general, the average temperature in West Java at the beginning of September is 30.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.9 °C by the end of September.
West Java in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 194.9 mm.
Is September a good time to visit West Java? check out the best time to travel to West Java page.
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Temperatures
Rain 🌧️
More
13
Dry days
17
Rainy days
0
Snow days
30°/18°
Temperatures
11 km/h
Avg max wind
67 %
Avg humidity
West Java Weather September
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What’s the Weather Like in West Java This September?
Discover the average temperatures and weather trends across West Java’s cities this September.
Temperatures trend during September in West Java
See the weather trend as well as the moving average line
September weather in West Java day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 30° /17° | 1.6 mm | 8 | |
| 2 Sept. |  Partly cloudy | 31° /17° | 0.6 mm | 8 | |
| 3 Sept. |  Patchy rain possible | 31° /17° | 0.9 mm | 7 | |
| 4 Sept. | Patchy rain possible | 31° /17° | 0.6 mm | 8 | |
| 5 Sept. | Light rain shower | 30° /17° | 3.8 mm | 8 | |
| 6 Sept. | Partly cloudy | 30° /17° | 2.4 mm | 8 | |
| 7 Sept. | Patchy rain possible | 31° /17° | 1 mm | 7 | |
| 8 Sept. | Patchy rain possible | 30° /18° | 1.9 mm | 7 | |
| 9 Sept. | Light rain shower | 29° /18° | 11.8 mm | 7 | |
| 10 Sept. | Partly cloudy | 28° /18° | 28.3 mm | 7 | |
| 11 Sept. | Partly cloudy | 28° /18° | 24.2 mm | 7 | |
| 12 Sept. | Light rain shower | 29° /18° | 9 mm | 7 | |
| 13 Sept. | Partly cloudy | 30° /17° | 1.9 mm | 7 | |
| 14 Sept. | Partly cloudy | 30° /16° | 0.2 mm | 8 | |
| 15 Sept. | Patchy rain possible | 30° /16° | 0.1 mm | 7 | |
| 16 Sept. |  Patchy light drizzle | 29° /17° | 3.8 mm | 7 | |
| 17 Sept. | Light rain shower | 29° /17° | 4 mm | 7 | |
| 18 Sept. | Light rain shower | 27° /17° | 5.7 mm | 7 | |
| 19 Sept. | Patchy rain possible | 29° /17° | 3.6 mm | 7 | |
| 20 Sept. | Light rain shower | 29° /18° | 2.7 mm | 8 | |
| 21 Sept. | Light rain shower | 30° /19° | 3.4 mm | 7 | |
| 22 Sept. | Light rain shower | 31° /18° | 4.1 mm | 7 | |
| 23 Sept. | Patchy rain possible | 29° /18° | 6.3 mm | 7 | |
| 24 Sept. | Patchy rain possible | 29° /18° | 28 mm | 7 | |
| 25 Sept. | Light rain shower | 29° /18° | 20.6 mm | 7 | |
| 26 Sept. | Light rain shower | 29° /17° | 7.4 mm | 7 | |
| 27 Sept. |  Moderate or heavy rain shower | 29° /19° | 20.5 mm | 7 | |
| 28 Sept. | Partly cloudy | 29° /19° | 8.5 mm | 7 | |
| 29 Sept. | Patchy rain possible | 30° /18° | 2.3 mm | 7 | |
| 30 Sept. | Light rain shower | 27° /18° | 5.3 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for West Java 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 West Java forecast closer to your planned date for the most up-to-date weather information.
Change Month
West Java weather in September vs August vs October
Compare September weather in West Java with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/17° | 30°/18° | 30°/19° |
| Rainfall | 36 mm | 195 mm | 202 mm |
| Wind | 10.2 km/h | 11.3 km/h | 11.6 km/h |
| Humidity | 70% | 67% | 68% |
| Rainy days | 11 days | 17 days | 26 days |
| Dry days | 20 days | 13 days | 5 days |
Planning a trip to West Java? Discover the best time to visit
West Java in September - FAQ
What are the expected maximum and minimum temperatures in West Java during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in West Java during September?
Significant rainfall exceeding 194.9 mm is expected in West Java during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in West Java during September?
The average wind speed in West Java during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to West Java in September?
As you prepare for your trip to West Java 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 West Java, 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
September rainfall patterns in West Java
Explore the daily rainfall trends and prepare for West Javas September weather 💧
UV exposure in West Java during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in West Java
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