September · Indonesia
Best time to visit Mount Bromo in September Weather, crowds & prices
Weather in Mount Bromo in September
Average temperature 26°C, 34 mm of rain, about 27 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.6/10
Ranked #3 of 12 months
- Avg temp
- 26°C
- Rainfall
- 34 mm
- Humidity
- 71%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Mount Bromo scores 7.6/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 26°C, 34 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Mount Bromo's smoking crater rises from a sea of sand in East Java's volcanic caldera.
September in Mount Bromo — reliably good (3rd best month)
Days in September average 26°C (79°F) and humidity near 71% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 34 mm of rain, any showers tend to pass through rather than settle in; about 27 days with 6+ hours of sunshine and 12 hours of daylight fill the rest.
That is 7.6/10 on the same scale — 3rd of 12 months, versus 8.1/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Mount Bromo in September?
- In September, Mount Bromo averages 26°C, 34 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
- Is September a good time to visit Mount Bromo?
- September earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Mount Bromo in September?
- Expect about 34 mm of rain in September. Average humidity is 71% and there are about 27 days with 6+ hours of sunshine.
Curated in Mount Bromo
Tickets & experiences
Things to do in Mount Bromo
Mount Bromo, Indonesia. Live activities and tours from GetYourGuide, matched to this destination.