Borneo
September
Weather in Borneo for September 2026
Your guide to Borneo weather in September - trends and predictions
In general, the average temperature in Borneo at the beginning of September is 29.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32.6 °C by the end of September.
Borneo experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 257.5 mm.
Is September a good time to visit Borneo? check out the best time to travel to Borneo page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
2
Dry days
28
Rainy days
0
Snow days
30°/21°
Temperatures
4 km/h
Avg max wind
89 %
Avg humidity
Borneo Weather September
Move between months or click on a day
Temperatures trend during September in Borneo
See the weather trend as well as the moving average line
September weather in Borneo day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light drizzle | 33° /21° | 5.2 mm | 7 | |
| 2 Sept. |  Fog | 29° /21° | 2.4 mm | 6 | |
| 3 Sept. |  Light rain shower | 32° /20° | 10.4 mm | 7 | |
| 4 Sept. | Light rain shower | 29° /21° | 23.5 mm | 6 | |
| 5 Sept. | Light rain shower | 26° /21° | 5.3 mm | 6 | |
| 6 Sept. | Fog | 28° /20° | 1.8 mm | 6 | |
| 7 Sept. | Light drizzle | 29° /21° | 4.4 mm | 6 | |
| 8 Sept. | Light rain shower | 28° /22° | 20 mm | 6 | |
| 9 Sept. |  Patchy light rain with thunder | 30° /22° | 21.3 mm | 7 | |
| 10 Sept. | Light rain shower | 27° /21° | 10.9 mm | 6 | |
| 11 Sept. | Light rain shower | 28° /21° | 23.7 mm | 6 | |
| 12 Sept. | Light rain shower | 29° /20° | 14 mm | 6 | |
| 13 Sept. |  Moderate or heavy rain shower | 29° /21° | 16.8 mm | 6 | |
| 14 Sept. | Light rain shower | 26° /21° | 6.1 mm | 6 | |
| 15 Sept. | Light rain shower | 27° /21° | 4.7 mm | 6 | |
| 16 Sept. | Light rain shower | 28° /20° | 14.2 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /21° | 6 mm | 5 | |
| 18 Sept. | Light rain shower | 30° /20° | 2 mm | 7 | |
| 19 Sept. | Patchy rain possible | 31° /21° | 3 mm | 7 | |
| 20 Sept. | Patchy light rain | 33° /21° | 10.8 mm | 7 | |
| 21 Sept. | Patchy light rain | 31° /20° | 2 mm | 7 | |
| 22 Sept. | Patchy light drizzle | 34° /20° | 2.1 mm | 7 | |
| 23 Sept. | Fog | 34° /20° | 0.3 mm | 7 | |
| 24 Sept. | Patchy rain possible | 34° /20° | 5.9 mm | 7 | |
| 25 Sept. | Fog | 34° /19° | 0.2 mm | 7 | |
| 26 Sept. | Fog | 34° /21° | 0 mm | 7 | |
| 27 Sept. | Patchy light drizzle | 34° /21° | 0.8 mm | 7 | |
| 28 Sept. | Light rain shower | 31° /21° | 3.7 mm | 7 | |
| 29 Sept. | Patchy light rain with thunder | 32° /21° | 14 mm | 7 | |
| 30 Sept. | Light rain shower | 29° /21° | 22 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Borneo 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 Borneo forecast closer to your planned date for the most up-to-date weather information.
Change Month
Borneo weather in September vs August vs October
Compare September weather in Borneo 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 | Light rain shower | Light rain shower | Light rain shower |
| Temperatures | 30°/20° | 30°/21° | 30°/21° |
| Rainfall | 339 mm | 258 mm | 369 mm |
| Wind | 4.2 km/h | 4.2 km/h | 4.7 km/h |
| Humidity | 89% | 89% | 90% |
| Rainy days | 30 days | 28 days | 30 days |
| Dry days | 1 days | 2 days | 1 days |
Planning a trip to Borneo? Discover the best time to visit
Borneo in September - FAQ
What are the expected maximum and minimum temperatures in Borneo during September?
During September, expect a variety of temperatures with highs around 30° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Borneo during September?
Significant rainfall exceeding 257.5 mm is expected in Borneo during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Borneo during September?
The average wind speed in Borneo during September is 4 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Borneo in September?
As you prepare for your trip to Borneo 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 Borneo, 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 Borneo
Explore the daily rainfall trends and prepare for Borneos September weather 💧
Typically, Borneo has 28 rainy days in September with a total of 257.5 mm of rainfall.
UV exposure in Borneo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Borneo weather pages
You are here
Where is Borneo?Get accurate weather forecasts for Borneo, located at latitude 1 and longitude 114. Stay updated with localized weather information tailored for Borneo.
Found a mistake?
We appreciate your attention to details. Tell us here.