The proper time to apply weed and feed to your grass is after you are able to mow the grass at least four times. In general, the first mowing of new grass takes place two to three weeks after planting and proceeds every week to two weeks after that.
New Orleans: Annual Weather Averages. July is the hottest month in New Orleans with an average temperature of 28Â°C (82Â°F) and the coldest is January at 13Â°C (55Â°F) with the most daily sunshine hours at 12 in June. The wettest month is July with an average of 168mm of rain.The best month to swim in the sea is in July when the average sea temperature is 30Â°C (86Â°F).he wettest month is July with an average of 168mm of rain. The best month to swim in the sea is in July when the average sea temperature is 30Â°C (86Â°F).
Averages for New Orleans in September. September temperatures in New Orleans are slightly less than in previous months, however it is still very warm and there is less rain to contend with. The average temperature still hits a high of 30C (that's about 86F) during the day and in the evenings, temperatures only go as low as 23C (about 73F).