Climate averages 1991–2020
Sumedang weather
in September.
A hot, moderately wet month: the warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sumedang: daytime highs average 30.7°C and nights cool to about 21.0°C. By daytime temperature it is the warmest month of the year.
Expect about 42 mm of rain on roughly 6 days, which makes September a moderately wet month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average September day.
The nearest other city in this atlas is Cileunyi (20 km away). In September its highs average 28.9°C, 1.8°C cooler than Sumedang, with 100 mm of rain.
Among the 200 cities listed in Indonesia, Sumedang ranks joint 79th of 200 for the warmest September highs and 59th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Sumedang is 0.6°C warmer than that mean.
From September to October, average highs fall by 0.6°C to 30.1°C, and monthly rainfall rises from 42 mm to 121 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
Sumedang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.0°C21.2°C | 21.2°C | 415 | 30.0 | 12.512 h |
| February | 27.0°C21.2°C | 21.2°C | 389 | 27.6 | 12.312 h |
| March | 27.6°C21.2°C | 21.2°C | 403 | 29.8 | 12.112 h |
| April | 27.9°C21.4°C | 21.4°C | 272 | 26.3 | 12.012 h |
| May | 28.2°C21.2°C | 21.2°C | 124 | 17.6 | 11.812 h |
| June | 28.4°C20.7°C | 20.7°C | 67 | 10.7 | 11.712 h |
| July | 29.0°C20.2°C | 20.2°C | 42 | 6.4 | 11.812 h |
| August | 30.1°C20.4°C | 20.4°C | 19 | 3.7 | 11.912 h |
| September, selected | 30.7°C21.0°C | 21.0°C | 42 | 5.6 | 12.112 h |
| October | 30.1°C21.7°C | 21.7°C | 121 | 13.7 | 12.312 h |
| November | 28.6°C21.8°C | 21.8°C | 310 | 24.5 | 12.412 h |
| December | 27.5°C21.5°C | 21.5°C | 434 | 29.5 | 12.513 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
- Cileunyi in SeptemberIndonesia · 20 kmHigh 28.9°C · Low 19.8°C · 100 mm rain
- Paseh in SeptemberIndonesia · 27 kmHigh 27.3°C · Low 18.2°C · 100 mm rain
- Lembang in SeptemberIndonesia · 33 kmHigh 24.8°C · Low 16.5°C · 105 mm rain
- Majalengka in SeptemberIndonesia · 34 kmHigh 32.5°C · Low 22.2°C · 48 mm rain
- Bandung in SeptemberIndonesia · 35 kmHigh 28.1°C · Low 19.6°C · 157 mm rain
- Subang in SeptemberIndonesia · 37 kmHigh 33.2°C · Low 22.4°C · 54 mm rain
- Cimahi in SeptemberIndonesia · 41 kmHigh 27.2°C · Low 19.0°C · 105 mm rain
- Banjaran in SeptemberIndonesia · 42 kmHigh 28.8°C · Low 20.2°C · 157 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 Sumedang) is explained once on the Sumedang year overview and on the Sources, method and limits page.