Climate averages 1991–2020
Sorong weather
in September.
A hot, very wet month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sorong: daytime highs average 29.4°C and nights cool to about 23.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 249 mm of rain on roughly 23 days, which makes September a very wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average September day.
The nearest other city in this atlas is Manokwari (312 km away). In September its highs average 27.5°C, 2.0°C cooler than Sorong, with 147 mm of rain.
Among the 200 cities listed in Indonesia, Sorong ranks joint 130th of 200 for the warmest September highs and 182nd of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Sorong is 0.7°C cooler than that mean.
From September to October, average highs rise by 0.3°C to 29.7°C, and monthly rainfall rises from 249 mm to 272 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
Sorong climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C24.4°C | 24.4°C | 305 | 27.7 | 12.212 h |
| February | 28.9°C24.4°C | 24.4°C | 265 | 24.7 | 12.112 h |
| March | 29.0°C24.3°C | 24.3°C | 342 | 28.5 | 12.112 h |
| April | 29.3°C24.2°C | 24.2°C | 374 | 29.0 | 12.112 h |
| May | 29.5°C24.4°C | 24.4°C | 314 | 28.2 | 12.112 h |
| June | 29.0°C24.0°C | 24.0°C | 302 | 25.7 | 12.112 h |
| July | 28.7°C23.8°C | 23.8°C | 260 | 23.7 | 12.112 h |
| August | 28.9°C23.8°C | 23.8°C | 226 | 20.4 | 12.112 h |
| September, selected | 29.4°C23.9°C | 23.9°C | 249 | 23.0 | 12.112 h |
| October | 29.7°C24.2°C | 24.2°C | 272 | 24.6 | 12.112 h |
| November | 29.5°C24.3°C | 24.3°C | 299 | 27.5 | 12.212 h |
| December | 29.2°C24.3°C | 24.3°C | 344 | 29.7 | 12.212 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
- Manokwari in SeptemberIndonesia · 312 kmHigh 27.5°C · Low 23.3°C · 147 mm rain
- Ambon in SeptemberIndonesia · 464 kmHigh 26.8°C · Low 25.0°C · 71 mm rain
- Ternate in SeptemberIndonesia · 469 kmHigh 27.5°C · Low 25.4°C · 180 mm rain
- Nabire in SeptemberIndonesia · 546 kmHigh 28.2°C · Low 21.7°C · 255 mm rain
- Tual in SeptemberIndonesia · 553 kmHigh 26.5°C · Low 24.9°C · 40 mm rain
- Bitung in SeptemberIndonesia · 729 kmHigh 29.4°C · Low 25.1°C · 66 mm rain
- Manado in SeptemberIndonesia · 760 kmHigh 31.0°C · Low 24.5°C · 155 mm rain
- Kotamobagu in SeptemberIndonesia · 793 kmHigh 28.8°C · Low 22.0°C · 181 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 Sorong) is explained once on the Sorong year overview and on the Sources, method and limits page.