Temperature
Hot by day, warm at night.
Humid air is the main limitation.
Hot by day, warm at night.
It rains on most days. About 22 wet days this month.
Cloudier spells limit sunshine.
Very hot days with very humid air.
In September, afternoons feel about 97° and nights feel near 83°.
Overcast skies this month.
Calm winds are typical in September.
September late afternoons are around 87°F, easing to about 81°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 87 | 74 | 8.6 | 24 | 6.3 | 87 |
| Feb | 88 | 74 | 6.1 | 19 | 6.8 | 85 |
| Mar | 90 | 75 | 6.3 | 22 | 7.3 | 83 |
| Apr | 91 | 75 | 7.0 | 24 | 8.0 | 83 |
| May | 91 | 76 | 7.2 | 23 | 7.6 | 84 |
| Jun | 90 | 75 | 6.8 | 20 | 7.0 | 83 |
| Jul | 90 | 74 | 6.4 | 20 | 7.2 | 83 |
| Aug | 90 | 75 | 7.3 | 22 | 7.0 | 82 |
| Sep | 90 | 75 | 7.6 | 22 | 6.6 | 83 |
| Oct | 89 | 74 | 9.7 | 27 | 6.6 | 86 |
| Nov | 89 | 74 | 9.7 | 27 | 6.8 | 87 |
| Dec | 88 | 74 | 9.2 | 26 | 6.8 | 87 |
Similar climates
Want a side-by-side climate view? Compare Bandar Seri Begawan with Kuala Lumpur.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: reviewed station-normal observations.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 29, 2026
Data & methodology