Climate averages 1991–2020
Singkawang weather
in September.
A hot, very wet month: the 6th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Singkawang: daytime highs average 29.3°C and nights cool to about 24.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 203 mm of rain on roughly 22 days, which makes September a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average September day.
The nearest other city in this atlas is Pontianak (111 km away). In September its highs average 30.3°C, 1.1°C warmer than Singkawang, with 191 mm of rain.
Among the 200 cities listed in Indonesia, Singkawang ranks joint 140th of 200 for the warmest September highs and 174th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Singkawang is 0.8°C cooler than that mean.
From September to October, average highs fall by 0.5°C to 28.8°C, and monthly rainfall rises from 203 mm to 303 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Singkawang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.3°C23.9°C | 23.9°C | 283 | 25.5 | 12.112 h |
| February | 28.6°C24.0°C | 24.0°C | 178 | 19.8 | 12.112 h |
| March | 29.2°C24.2°C | 24.2°C | 187 | 22.1 | 12.112 h |
| April | 29.4°C24.5°C | 24.5°C | 212 | 25.0 | 12.112 h |
| May | 29.6°C24.8°C | 24.8°C | 221 | 24.7 | 12.212 h |
| June | 29.5°C24.7°C | 24.7°C | 193 | 20.6 | 12.212 h |
| July | 29.4°C24.5°C | 24.5°C | 178 | 19.1 | 12.212 h |
| August | 29.6°C24.6°C | 24.6°C | 163 | 19.1 | 12.112 h |
| September, selected | 29.3°C24.3°C | 24.3°C | 203 | 21.8 | 12.112 h |
| October | 28.8°C24.1°C | 24.1°C | 303 | 27.0 | 12.112 h |
| November | 28.3°C23.9°C | 23.9°C | 395 | 28.9 | 12.112 h |
| December | 28.2°C24.0°C | 24.0°C | 399 | 28.2 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Pontianak in SeptemberIndonesia · 111 kmHigh 30.3°C · Low 23.7°C · 191 mm rain
- Kuching in SeptemberMalaysia · 166 kmHigh 30.2°C · Low 23.9°C · 257 mm rain
- Sintang in SeptemberIndonesia · 295 kmHigh 30.5°C · Low 23.4°C · 237 mm rain
- Sibu in SeptemberMalaysia · 351 kmHigh 30.3°C · Low 23.4°C · 242 mm rain
- Tanjung Pandan in SeptemberIndonesia · 432 kmHigh 30.7°C · Low 24.4°C · 104 mm rain
- Sungailiat in SeptemberIndonesia · 442 kmHigh 29.8°C · Low 24.9°C · 119 mm rain
- Pangkalpinang in SeptemberIndonesia · 465 kmHigh 30.0°C · Low 24.5°C · 120 mm rain
- Pangkalanbuun in SeptemberIndonesia · 496 kmHigh 30.5°C · Low 23.8°C · 132 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Singkawang) is explained once on the Singkawang year overview and on the Sources, method and limits page.