Climate averages 1991–2020
Sampit weather
in September.
A hot, wet month: the warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sampit: daytime highs average 31.2°C and nights cool to about 23.6°C. By daytime temperature it is the warmest month of the year.
Expect about 130 mm of rain on roughly 14 days, which makes September a wet month (the 3rd 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 Palangkaraya (113 km away). In September its highs average 31.9°C, 0.6°C warmer than Sampit, with 113 mm of rain.
Among the 200 cities listed in Indonesia, Sampit ranks joint 65th of 200 for the warmest September highs and joint 145th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Sampit is 1.1°C warmer than that mean.
From September to October, average highs fall by 0.2°C to 31.0°C, and monthly rainfall rises from 130 mm to 254 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
Sampit climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.9°C23.6°C | 23.6°C | 262 | 27.7 | 12.212 h |
| February | 30.2°C23.6°C | 23.6°C | 235 | 24.1 | 12.212 h |
| March | 30.3°C23.7°C | 23.7°C | 291 | 28.0 | 12.112 h |
| April | 30.3°C23.8°C | 23.8°C | 298 | 28.4 | 12.112 h |
| May | 30.3°C24.0°C | 24.0°C | 213 | 24.7 | 12.012 h |
| June | 30.0°C23.7°C | 23.7°C | 155 | 19.3 | 12.012 h |
| July | 29.9°C23.3°C | 23.3°C | 116 | 16.5 | 12.012 h |
| August | 30.6°C23.4°C | 23.4°C | 94 | 12.8 | 12.012 h |
| September, selected | 31.2°C23.6°C | 23.6°C | 130 | 13.9 | 12.112 h |
| October | 31.0°C23.6°C | 23.6°C | 254 | 21.6 | 12.212 h |
| November | 30.3°C23.6°C | 23.6°C | 310 | 28.2 | 12.212 h |
| December | 29.8°C23.6°C | 23.6°C | 286 | 28.9 | 12.312 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
- Palangkaraya in SeptemberIndonesia · 113 kmHigh 31.9°C · Low 23.3°C · 113 mm rain
- Pangkalanbuun in SeptemberIndonesia · 148 kmHigh 30.5°C · Low 23.8°C · 132 mm rain
- Banjarmasin in SeptemberIndonesia · 202 kmHigh 31.6°C · Low 23.8°C · 69 mm rain
- Banjarbaru in SeptemberIndonesia · 233 kmHigh 31.9°C · Low 23.0°C · 74 mm rain
- Martapura in SeptemberIndonesia · 234 kmHigh 31.8°C · Low 23.4°C · 74 mm rain
- Sintang in SeptemberIndonesia · 331 kmHigh 30.5°C · Low 23.4°C · 237 mm rain
- Nusantara in SeptemberIndonesia · 452 kmHigh 29.9°C · Low 23.4°C · 155 mm rain
- Balikpapan in SeptemberIndonesia · 453 kmHigh 28.2°C · Low 24.6°C · 109 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 Sampit) is explained once on the Sampit year overview and on the Sources, method and limits page.