Dig weeds by hand. If using a weed killer, put it only on weeds, not on the whole lawn. Use phosphorus-free fertilizer at a rate of one pound nitrogen per 1000 square feet. Follow bag's instructions. Water in the morning.
Less water is needed since less is lost to evaporation.
Set your mower blade at a higher level. Re-direct summer rains from roof to lawn, instead of from roof to driveway or street, for increased water absorption into your lawn. July - Maintain with care Keep grass clippings and leaves out of streets and storm sewers by using a broom to sweep them back onto the lawn, or mow so the grass clippings are blown onto the lawn. Keep mower blade sharp to prevent turf damage. This saves on water costs.