It’s not too late in the season to breed fish. Fry will still have a good 2 months of warm weather to grow up in time before the weather changes.
And sometimes fish breeders need a bit of a helping hand to get their fish in the mood. I’ve made a simple flow chart on how the process should go.

There are many benefits to artificially spawn fish and they include: Ability to select & pair up individuals,
Compress & Synchronise spawning period,
Increased chances of fertilisation and yield.
More detailed information is available in
Fish Vetting Essentials – an essential text on fish health and medicine. Book is available from the shopping cart section of this website – http://www.thefishvet.com.au
Download free contents pages here – http://thefishvet.com.au/pdf/sample.pdf