Brownsville Weather Forecast
- 16
- 31
Possible shower
- 13
- 16
Showers
- 12
- 18
Cloudy
- 9
- 21
Mostly sunny
- 11
- 27
Sunny
- 15
- 29
Sunny
- 18
- 28
Shower or two
Today 26 Sep Wollongong
Becoming cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening. Winds northwest to northeasterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the middle of the day then tending southerly 25 to 40 km/h in the late afternoon.
Brownsville Temperature Statistics View More
September Temperature
Illawarra Regional Airport (9km)
Lowest 18 September, 2026
2.9 °CAverage September
16.4 °CHighest 20 September, 2026
31.2 °C
Climate (2021–2026)
Illawarra Regional Airport (9km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
22.8 °C