Sepulchre Island Weather Forecast
- 14
- 27
Mostly sunny
- 15
- 32
Sunny morning. Shower or two
- 12
- 17
Showers
- 11
- 19
Cloudy
- 9
- 21
Mostly sunny
- 9
- 26
Sunny
- 14
- 28
Partly cloudy
Today 25 Sep Illawarra
Partly cloudy. The chance of fog in the early morning. Slight chance of a shower in the north in the late morning and afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and evening. Light winds becoming northwest to northeasterly 15 to 25 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching around 30.
Sepulchre Island Temperature Statistics View More
September Temperature
Nowra (RAN Air Station) (18km)
Lowest 17 September, 2026
4.9 °CAverage September
15.7 °CHighest 20 September, 2026
30.6 °C
Climate (2021–2026)
Nowra (RAN Air Station) (18km)
Average Low 2021–2026
12.1 °CAverage 2021–2026
16.6 °CAverage High 2021–2026
22.6 °C