Melbourne weather in September
Long-run climate averages for Melbourne, Victoria in September, plus what the forecast models say for the days ahead.
In September, Melbourne averages 17°C by day and 8°C at night. The wettest month is usually November.
September in Melbourne averages a daytime high of 17°C and an overnight low of 8°C, which reads as mild for this part of the world. Across the whole year Melbourne sees roughly 628 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Melbourne forecast with every model compared and how much they currently agree.
Melbourne weather by month
what to expect in Melbourne through the year, 1991-2020 averagesHere is Melbourne's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Melbourne by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Melbourne, scoring 93/100 on our CheckWeather Score, ahead of the German at 85. See the full AU accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Melbourne in September?
Is September a good time to visit Melbourne?
Does it rain a lot in Melbourne in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .