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Photo by Jakub Hałun, CC BY-SA 4.0, via Wikimedia Commons.
Mount Bromo in September
sweet spot · the best month to go · the sunniest month of the year
The year in Mount Bromo
Tap a month for its page
- JanJMount Bromo in January: avoid
- FebFMount Bromo in February: avoid
- MarMMount Bromo in March: avoid
- AprAMount Bromo in April: avoid
- MayMMount Bromo in May: avoid
- JunJMount Bromo in June: ok
- JulJMount Bromo in July: ok, busy
- AugAMount Bromo in August: ok, busy
- SepSMount Bromo in September: sweet spot
- OctOMount Bromo in October: avoid
- NovNMount Bromo in November: avoid
- DecDMount Bromo in December: avoid
- Sweet spot
- Good
- OK
- Avoid
- Busy
Plan this trip
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The numbers
| Daily high | 18°C |
|---|---|
| Nightly low | 9°C |
| Feels like, afternoon | 19°C |
| Rainy days, 1 mm or more | 13 · 101 mm |
| Humidity | 84% |
| Sunshine | 10.2 h/day |
| Daylight | 12.1 h/day |
| Hiking | 17 of 30 days dry and 10–27 °C fair |
| Crowds | 100 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.
Weather read at Cemoro Lawang, on the crater rim, 28 km from the airport (MLG): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.
How busy it gets
Mount Bromo in pictures
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Thomas Fuhrmann, CC BY-SA 4.0, via Wikimedia Commons
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Jakub Hałun, CC BY-SA 4.0, via Wikimedia Commons
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Jakub Hałun, CC BY-SA 4.0, via Wikimedia Commons
What to pack
- Warm layers for the evenings, which drop to about 9°C.
- Rain gear you will actually use: about 13 rainy days and 101 mm.
- Sun protection: about 10 hours of sunshine a day.
- Humidity averages 84%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
Type C and F plugs at 127 / 230 V. Drives on the left. The currency is the Rupiah. No UK Foreign Office advice against travel. Global Affairs Canada: Exercise a high degree of caution (with regional advisories). US State Department: Level 2: Exercise Increased Caution. Everything for Indonesia: cost of living, languages, emergency numbers and health.
On arrival in Mount Bromo: the apps, paying, getting around, tipping and the emergency numbers.
September elsewhere
In September from
The other months at Mount Bromo
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