Climate averages 1991–2020
Bojonegoro weather
in September.
A very hot, fairly dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Bojonegoro: daytime highs average 34.3°C and nights cool to about 22.8°C. By daytime temperature it is the warmest month of the year.
Expect about 24 mm of rain on roughly 4 days, which makes September a fairly dry month (the 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 Tuban (35 km away). In September its highs average 31.4°C, 2.9°C cooler than Bojonegoro, with 26 mm of rain.
Among the 200 cities listed in Indonesia, Bojonegoro ranks 1st of 200 for the warmest September highs and joint 25th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Bojonegoro is 4.2°C warmer than that mean.
From September to October, average highs fall by 0.2°C to 34.1°C, and monthly rainfall rises from 24 mm to 93 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
Bojonegoro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.0°C23.4°C | 23.4°C | 353 | 29.1 | 12.512 h |
| February | 30.0°C23.4°C | 23.4°C | 354 | 27.6 | 12.312 h |
| March | 30.4°C23.4°C | 23.4°C | 339 | 28.9 | 12.112 h |
| April | 30.5°C23.5°C | 23.5°C | 226 | 24.5 | 12.012 h |
| May | 30.9°C23.0°C | 23.0°C | 98 | 15.3 | 11.812 h |
| June | 31.4°C22.4°C | 22.4°C | 49 | 8.5 | 11.712 h |
| July | 32.1°C21.9°C | 21.9°C | 26 | 4.4 | 11.712 h |
| August | 33.1°C22.0°C | 22.0°C | 9.2 | 2.3 | 11.912 h |
| September, selected | 34.3°C22.8°C | 22.8°C | 24 | 3.5 | 12.112 h |
| October | 34.1°C23.8°C | 23.8°C | 93 | 10.7 | 12.312 h |
| November | 32.4°C24.0°C | 24.0°C | 234 | 22.4 | 12.412 h |
| December | 30.6°C23.6°C | 23.6°C | 335 | 27.8 | 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
- Tuban in SeptemberIndonesia · 35 kmHigh 31.4°C · Low 24.3°C · 26 mm rain
- Jombang in SeptemberIndonesia · 59 kmHigh 32.8°C · Low 22.1°C · 23 mm rain
- Madiun in SeptemberIndonesia · 66 kmHigh 32.5°C · Low 22.4°C · 38 mm rain
- Mojokerto in SeptemberIndonesia · 70 kmHigh 34.0°C · Low 22.3°C · 31 mm rain
- Kediri in SeptemberIndonesia · 76 kmHigh 30.6°C · Low 21.3°C · 19 mm rain
- Pare in SeptemberIndonesia · 77 kmHigh 30.7°C · Low 20.8°C · 65 mm rain
- Kebomas in SeptemberIndonesia · 83 kmHigh 32.5°C · Low 23.5°C · 20 mm rain
- Ponorogo in SeptemberIndonesia · 92 kmHigh 29.9°C · Low 21.6°C · 38 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 Bojonegoro) is explained once on the Bojonegoro year overview and on the Sources, method and limits page.