Climate averages 1991–2020
Pemalang 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 Pemalang: daytime highs average 31.2°C and nights cool to about 24.2°C. By daytime temperature it is the warmest month of the year.
Expect about 94 mm of rain on roughly 12 days, which makes September a 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 Tarub (24 km away). In September its highs average 31.4°C, about as warm as Pemalang, with 63 mm of rain.
Among the 200 cities listed in Indonesia, Pemalang ranks joint 65th of 200 for the warmest September highs and 115th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Pemalang is 1.1°C warmer than that mean.
From September to October, average highs fall by 0.3°C to 30.9°C, and monthly rainfall rises from 94 mm to 231 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
Pemalang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.4°C23.8°C | 23.8°C | 425 | 30.3 | 12.512 h |
| February | 28.3°C23.8°C | 23.8°C | 400 | 27.8 | 12.312 h |
| March | 28.9°C24.0°C | 24.0°C | 398 | 30.2 | 12.112 h |
| April | 29.2°C24.2°C | 24.2°C | 332 | 27.7 | 12.012 h |
| May | 29.5°C24.3°C | 24.3°C | 181 | 22.4 | 11.812 h |
| June | 29.4°C24.0°C | 24.0°C | 121 | 15.7 | 11.712 h |
| July | 29.7°C23.5°C | 23.5°C | 84 | 12.5 | 11.812 h |
| August | 30.5°C23.5°C | 23.5°C | 57 | 8.9 | 11.912 h |
| September, selected | 31.2°C24.2°C | 24.2°C | 94 | 12.4 | 12.112 h |
| October | 30.9°C24.6°C | 24.6°C | 231 | 21.1 | 12.312 h |
| November | 29.6°C24.4°C | 24.4°C | 389 | 27.7 | 12.412 h |
| December | 28.9°C24.1°C | 24.1°C | 461 | 29.7 | 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
- Tarub in SeptemberIndonesia · 24 kmHigh 31.4°C · Low 24.2°C · 63 mm rain
- Tegal in SeptemberIndonesia · 27 kmHigh 31.5°C · Low 24.1°C · 37 mm rain
- Kedungwuni in SeptemberIndonesia · 31 kmHigh 30.9°C · Low 23.2°C · 123 mm rain
- Pekalongan in SeptemberIndonesia · 32 kmHigh 30.6°C · Low 23.6°C · 123 mm rain
- Purwokerto in SeptemberIndonesia · 61 kmHigh 29.4°C · Low 22.0°C · 90 mm rain
- Wonosobo in SeptemberIndonesia · 77 kmHigh 26.2°C · Low 18.9°C · 89 mm rain
- Astanajapura in SeptemberIndonesia · 84 kmHigh 31.6°C · Low 24.1°C · 21 mm rain
- Cirebon in SeptemberIndonesia · 93 kmHigh 31.3°C · Low 24.4°C · 28 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 Pemalang) is explained once on the Pemalang year overview and on the Sources, method and limits page.