Broome weather in September
September in Broome: hot, dry, with clean air — an excellent time to visit.
#4 of 12 months in Broome · #63 of 897 destinations to visit in September · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
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Broome climate normals — September
| Daytime high | 32°C / 90°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 60% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Broome in September — FAQ
- Is September a good time to visit Broome?
- September in Broome: hot, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Broome on SeasonMap's comfort score (93/100).
- What is the weather like in Broome in September?
- In September, Broome averages a daily high of 32.3°C and a low of 21.7°C, with about 3.3 mm of rain over roughly 0.4 rainy days.
- What is the air quality in Broome in September?
- Broome has a mean US Air Quality Index of about 31 in September.