Climate averages 1991–2020
Bangkalan weather
in September.
A hot, fairly dry month: one of the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Bangkalan: daytime highs average 31.6°C and nights cool to about 25.1°C. By daytime temperature it is one of the warmest months of the year.
Expect about 20 mm of rain on roughly 3 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 Kebomas (18 km away). In September its highs average 32.5°C, 0.9°C warmer than Bangkalan, with 20 mm of rain.
Among the 200 cities listed in Indonesia, Bangkalan ranks joint 49th of 200 for the warmest September highs and joint 18th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Bangkalan is 1.5°C warmer than that mean.
From September to October, average highs stay level at 31.6°C, and monthly rainfall rises from 20 mm to 75 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
Bangkalan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C25.2°C | 25.2°C | 304 | 29.6 | 12.512 h |
| February | 28.9°C25.2°C | 25.2°C | 268 | 27.1 | 12.312 h |
| March | 29.3°C25.3°C | 25.3°C | 237 | 28.6 | 12.112 h |
| April | 29.6°C25.6°C | 25.6°C | 196 | 23.8 | 12.012 h |
| May | 29.9°C25.7°C | 25.7°C | 101 | 14.9 | 11.812 h |
| June | 29.7°C25.2°C | 25.2°C | 64 | 9.5 | 11.712 h |
| July | 29.8°C24.7°C | 24.7°C | 29 | 4.8 | 11.812 h |
| August | 30.6°C24.6°C | 24.6°C | 6.5 | 1.6 | 11.912 h |
| September, selected | 31.6°C25.1°C | 25.1°C | 20 | 3.1 | 12.112 h |
| October | 31.6°C25.7°C | 25.7°C | 75 | 11.7 | 12.312 h |
| November | 30.4°C25.8°C | 25.8°C | 170 | 23.4 | 12.412 h |
| December | 29.3°C25.4°C | 25.4°C | 280 | 28.8 | 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
- Kebomas in SeptemberIndonesia · 18 kmHigh 32.5°C · Low 23.5°C · 20 mm rain
- Surabaya in SeptemberIndonesia · 23 kmHigh 32.9°C · Low 24.5°C · 20 mm rain
- Sidoarjo in SeptemberIndonesia · 45 kmHigh 33.3°C · Low 23.1°C · 11 mm rain
- Mojokerto in SeptemberIndonesia · 57 kmHigh 34.0°C · Low 22.3°C · 31 mm rain
- Bangil in SeptemberIndonesia · 62 kmHigh 33.0°C · Low 22.3°C · 11 mm rain
- Pasuruan in SeptemberIndonesia · 69 kmHigh 31.9°C · Low 22.8°C · 10 mm rain
- Tuban in SeptemberIndonesia · 76 kmHigh 31.4°C · Low 24.3°C · 26 mm rain
- Jombang in SeptemberIndonesia · 79 kmHigh 32.8°C · Low 22.1°C · 23 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 Bangkalan) is explained once on the Bangkalan year overview and on the Sources, method and limits page.