Weather in Bali for September 2025
In general, the average temperature in Bali at the beginning of September is 28.3 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.7 °C by the end of September.
Bali in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 79.2 mm.
Is September a good time to visit Bali? check out the best time to travel to Bali page.
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Bali in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  29° | 3 29° | 4 28° | 5 28° | 6 28° | 7 28° |
| 8  28° | 9 28° | 10 28° | 11  28° | 12  29° | 13 28° | 14 29° |
| 15 28° | 16 29° | 17 29° | 18 29° | 19 29° | 20 29° | 21 28° |
| 22 29° | 23 29° | 24 28° | 25 28° | 26 29° | 27 29° | 28 29° |
| 29 29° | 30 29° |
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Temperatures trend during September in Bali
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 28° /21° | 0.2 mm | 8 | |
| 2 Sept. | Patchy rain possible | 29° /21° | 0.2 mm | 8 | |
| 3 Sept. | Patchy rain possible | 29° /21° | 0.4 mm | 8 | |
| 4 Sept. | Patchy rain possible | 28° /21° | 0.8 mm | 7 | |
| 5 Sept. | Patchy rain possible | 28° /22° | 0.3 mm | 7 | |
| 6 Sept. | Patchy rain possible | 28° /22° | 1.1 mm | 7 | |
| 7 Sept. | Patchy rain possible | 28° /22° | 1.7 mm | 7 | |
| 8 Sept. | Cloudy | 28° /22° | 0.6 mm | 7 | |
| 9 Sept. | Patchy rain possible | 28° /22° | 7.8 mm | 7 | |
| 10 Sept. | Patchy rain possible | 28° /22° | 4.2 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 28° /22° | 13.1 mm | 7 | |
| 12 Sept. | Partly cloudy | 29° /22° | 4.4 mm | 8 | |
| 13 Sept. | Moderate or heavy rain shower | 28° /22° | 7.1 mm | 7 | |
| 14 Sept. | Moderate or heavy rain shower | 29° /22° | 8.7 mm | 7 | |
| 15 Sept. | Moderate or heavy rain shower | 28° /22° | 1.9 mm | 7 | |
| 16 Sept. | Patchy rain possible | 29° /22° | 1.1 mm | 7 | |
| 17 Sept. | Patchy rain possible | 29° /22° | 0.3 mm | 8 | |
| 18 Sept. | Patchy rain possible | 29° /22° | 0.7 mm | 7 | |
| 19 Sept. | Patchy rain possible | 29° /21° | 0.5 mm | 8 | |
| 20 Sept. | Patchy rain possible | 29° /22° | 3.8 mm | 7 | |
| 21 Sept. | Patchy rain possible | 28° /21° | 4.3 mm | 7 | |
| 22 Sept. | Patchy rain possible | 29° /21° | 2.2 mm | 7 | |
| 23 Sept. | Moderate rain at times | 29° /22° | 2.1 mm | 7 | |
| 24 Sept. | Patchy rain possible | 28° /22° | 2.7 mm | 7 | |
| 25 Sept. | Moderate rain at times | 28° /22° | 1.6 mm | 7 | |
| 26 Sept. | Patchy rain possible | 29° /22° | 1.3 mm | 7 | |
| 27 Sept. | Partly cloudy | 29° /22° | 1.1 mm | 7 | |
| 28 Sept. | Patchy rain possible | 29° /22° | 0.6 mm | 7 | |
| 29 Sept. | Patchy rain possible | 29° /22° | 0.7 mm | 8 | |
| 30 Sept. | Patchy rain possible | 29° /22° | 3.7 mm | 8 | |
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Guide for Bali in September
In September, Bali, Indonesia, experiences a transition from the dry season to the onset of the wet season. At the beginning of the month, the weather is generally dry and sunny, with temperatures ranging from 23° to 31°.
The skies are mostly clear, and the humidity is relatively low, making it an ideal time for outdoor activities and exploring the island's beautiful beaches and cultural sites.
As the month progresses towards the end of September, there is a noticeable increase in humidity and a slight rise in temperatures, which can range from 24° to 32°.
The skies may become partly cloudy, and the chance of rain showers begins to increase, although they are typically brief and occur in the late afternoon or evening. These showers provide a refreshing break from the heat and contribute to the lush greenery that Bali is known for.
Overall, September is a favorable time to visit Bali, as the weather remains predominantly pleasant, with plenty of sunshine and warm temperatures.
The gradual shift towards the wet season brings a unique charm to the island, with vibrant landscapes and fewer crowds compared to the peak tourist months. Visitors can enjoy a mix of sunny days and occasional rain, offering a balanced tropical experience.
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Bali in September - FAQ
What to pack to Bali in September?
As you prepare for your trip to Bali 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 Bali, 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
- 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 Bali
UV exposure in Bali during September
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