QuestionsHow to growLawnsSowingsetting new lawn 0 Vote Up Vote Down noel mc namara asked 16 years ago is it too late to set a new lawn as the weather this month very wet 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago September is a good time to sow grass seed, but the soil must be in good condition and not wet. More information on this in Know-how: How to grow: Lawns