Townsville weather in September
Long-run climate averages for Townsville, Queensland in September, plus what the forecast models say for the days ahead.
In September, Townsville averages 27°C by day and 18°C at night. The wettest month is usually February.
September in Townsville averages a daytime high of 27°C and an overnight low of 18°C, which reads as warm for this part of the world. Across the whole year Townsville sees roughly 1491 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 Townsville forecast with every model compared and how much they currently agree.
Townsville weather by month
what to expect in Townsville through the yearHere is Townsville'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 Townsville by season.
Bottom line: over the last 30 days the American model has been the most accurate forecast for Townsville, scoring 91/100 on our CheckWeather Score, ahead of the German at 90. See the full AU accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Townsville in September?
Is September a good time to visit Townsville?
Does it rain a lot in Townsville in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .