Weather in South Sumatra for September 2026
So far, September 2026 in South Sumatra shows a warmer trend than usual by 3 °C.
The forecast for the upcoming days in South Sumatra predicts a temperature of 37.4 °C, which is slightly above the historical average.
In general, the average temperature in South Sumatra at the beginning of September is 35.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 33.3 °C by the end of September.
South Sumatra experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 182.4 mm.
Is September a good time to visit South Sumatra? check out the best time to travel to South Sumatra page.
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South Sumatra Weather September
Temperatures trend during September in South Sumatra
September weather in South Sumatra day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 34° /22° | 5 mm | 9 | |
| 2 Sept. |  Cloudy | 37° /21° | 0 mm | 9 | |
| 3 Sept. | Cloudy | 35° /22° | 2.1 mm | 9 | |
| 4 Sept. |  Overcast | 35° /22° | 2.4 mm | 9 | |
| 5 Sept. |  Partly cloudy | 36° /22° | 1.4 mm | 10 | |
| 6 Sept. | Patchy rain possible | 36° /22° | 3.8 mm | 9 | |
| 7 Sept. | Patchy rain possible | 35° /22° | 0.8 mm | 8 | |
| 8 Sept. | Patchy rain possible | 35° /22° | 2.3 mm | 9 | |
| 9 Sept. |  Moderate or heavy rain shower | 30° /23° | 12.3 mm | 8 | |
| 10 Sept. | Moderate or heavy rain shower | 29° /22° | 4.6 mm | 7 | |
| 11 Sept. |  Smoky haze | 39° /23° | 0 mm | 11.1 | |
| 12 Sept. | Smoky haze | 39° /23° | 0 mm | 12.2 | |
| 13 Sept. | Smoky haze | 36° /23° | 0.1 mm | 7.8 | |
| 14 Sept. | Smoky haze | 39° /21° | 0 mm | 12.2 | |
| 15 Sept. | Overcast | 39° /22° | 0 mm | 11.5 | |
| 16 Sept. | Overcast | 38° /23° | 0 mm | 9 | |
| 17 Sept. |  Sunny | 38° /23° | 0 mm | 10 | |
| 18 Sept. | Overcast | 38° /23° | 0 mm | 9 | |
| 19 Sept. | Overcast | 35° /24° | 0.5 mm | 9 | |
| 20 Sept. | Overcast | 33° /24° | 0 mm | 9 | |
| 21 Sept. | Overcast | 38° /24° | 0 mm | 9 | |
| 22 Sept. | Overcast | 37° /23° | 0 mm | 9 | |
| 23 Sept. | Cloudy | 38° /23° | 0.5 mm | 9 | |
| 24 Sept. | Light rain shower | 36° /24° | 7.3 mm | 9 | |
| 25 Sept. | Moderate or heavy rain shower | 33° /22° | 5.9 mm | 9 | |
| 26 Sept. | Moderate or heavy rain shower | 32° /22° | 3 mm | 8 | |
| 27 Sept. | Moderate or heavy rain shower | 34° /23° | 1.7 mm | 9 | |
| 28 Sept. | Moderate or heavy rain shower | 34° /23° | 8.2 mm | 8 | |
| 29 Sept. | Moderate or heavy rain shower | 32° /23° | 8.8 mm | 8 | |
| 30 Sept. |  Thundery outbreaks possible | 32° /23° | 6.3 mm | 8 | |
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South Sumatra weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 33°/22° | 32°/23° | 33°/23° |
| Rainfall | 88 mm | 182 mm | 155 mm |
| Wind | 11 km/h | 9.8 km/h | 9.5 km/h |
| Humidity | 73% | 76% | 75% |
| Rainy days | 19 days | 28 days | 23 days |
| Dry days | 12 days | 2 days | 8 days |
Planning a trip to South Sumatra? Discover the best time to visit
South Sumatra in September - FAQ
What are the expected maximum and minimum temperatures in South Sumatra during September?
How much rainfall should be expected in South Sumatra during September?
What are the typical wind conditions in South Sumatra during September?
September rainfall patterns in South Sumatra
UV exposure in South Sumatra during September
What to pack to South Sumatra in September?
Warm & sunny · highs around 32 °C, frequent showers
As you prepare for your trip to South Sumatra 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 South Sumatra, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is South Sumatra?Get accurate weather forecasts for South Sumatra, located at latitude -2.917 and longitude 104.746. Stay updated with localized weather information tailored for South Sumatra.