Climate averages 1991–2020
Wonosobo weather
in September.
A warm, moderately wet month: the 2nd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Wonosobo: daytime highs average 26.2°C and nights cool to about 18.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 89 mm of rain on roughly 13 days, which makes September a moderately wet month (the 3rd 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 Magelang (37 km away). In September its highs average 28.0°C, 1.8°C warmer than Wonosobo, with 102 mm of rain.
Among the 200 cities listed in Indonesia, Wonosobo ranks 196th of 200 for the warmest September highs and 110th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Wonosobo is 3.9°C cooler than that mean.
From September to October, average highs rise by 0.1°C to 26.3°C, and monthly rainfall rises from 89 mm to 239 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
Wonosobo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.6°C20.0°C | 20.0°C | 560 | 30.2 | 12.512 h |
| February | 25.9°C20.0°C | 20.0°C | 551 | 28.1 | 12.312 h |
| March | 26.0°C20.0°C | 20.0°C | 524 | 30.1 | 12.112 h |
| April | 26.1°C20.0°C | 20.0°C | 379 | 27.7 | 11.912 h |
| May | 26.1°C19.6°C | 19.6°C | 191 | 22.1 | 11.812 h |
| June | 25.7°C19.0°C | 19.0°C | 117 | 15.7 | 11.712 h |
| July | 25.2°C18.4°C | 18.4°C | 75 | 12.2 | 11.712 h |
| August | 25.6°C18.2°C | 18.2°C | 56 | 9.5 | 11.912 h |
| September, selected | 26.2°C18.9°C | 18.9°C | 89 | 12.7 | 12.112 h |
| October | 26.3°C19.7°C | 19.7°C | 239 | 20.7 | 12.312 h |
| November | 25.7°C20.1°C | 20.1°C | 437 | 27.6 | 12.412 h |
| December | 25.4°C20.1°C | 20.1°C | 547 | 29.1 | 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
- Magelang in SeptemberIndonesia · 37 kmHigh 28.0°C · Low 19.7°C · 102 mm rain
- Muntilan in SeptemberIndonesia · 50 kmHigh 28.5°C · Low 20.1°C · 102 mm rain
- Kedungwuni in SeptemberIndonesia · 52 kmHigh 30.9°C · Low 23.2°C · 123 mm rain
- Pekalongan in SeptemberIndonesia · 58 kmHigh 30.6°C · Low 23.6°C · 123 mm rain
- Ungaran in SeptemberIndonesia · 60 kmHigh 30.6°C · Low 21.7°C · 53 mm rain
- Salatiga in SeptemberIndonesia · 65 kmHigh 30.1°C · Low 20.5°C · 53 mm rain
- Kasihan in SeptemberIndonesia · 70 kmHigh 28.8°C · Low 21.4°C · 66 mm rain
- Semarang in SeptemberIndonesia · 70 kmHigh 31.7°C · Low 23.6°C · 44 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 Wonosobo) is explained once on the Wonosobo year overview and on the Sources, method and limits page.