Weather in Gateway Island in September

General weather information about Gateway Island

Average annual temperature is 15.2 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -1.1 °C

Number of sunny days: 200 days

Number of rainy days: 165 days

Look at detailed online map of Gateway Island

* Weather data for Gateway Island Australia is based on climate observations for 2026 year

Gateway Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)35.335.534.624.618.719.015.919.027.427.634.634.3
Average daytime temperature (°C)29.528.525.920.014.512.713.115.119.520.225.827.8
Average temperature (°C)23.021.719.914.39.59.08.29.312.614.119.421.7
Average night temperature (°C)17.115.414.69.85.76.24.34.66.58.513.315.9
Absolute minimum temperature (°C)12.88.28.74.21.1-1.10.20.42.23.58.211.5

Gateway Island monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)14.013.012.011.010.09.010.011.012.013.014.014.0
Daylight mean duration (h)14.313.412.311.210.29.710.010.811.913.014.014.6
Daylight minimum duration (h)13.012.011.010.09.09.09.010.011.012.013.014.0
Sunshine mean duration (h)11.211.79.68.46.54.95.98.010.09.511.111.9
Precipitation (mm)1081878112471583971136613480
Sunny days16221518195161422161720
Rainy days1561612122515178151311
Snow days000000000000

Best time to visit Gateway Island:

The best time to visit Gateway Island during the most sunny months:

  • February — 11.7(h)
  • December — 11.9(h)

The largest precipitation sum in Gateway Island is at

  • January — 108(mm)
  • April — 112(mm)
  • June — 158(mm)
  • November — 134(mm)
  • Frequently asked questions

    When is the best time to visit Gateway Island?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Gateway Island.
    What is the weather like in Gateway Island?
    See average temperature, rainfall and daylight hours for Gateway Island by month in the table above.
    How many sunny days does Gateway Island have?
    The monthly weather statistics above show sunshine and rainfall patterns for Gateway Island throughout the year.