The highest temperature recorded at Leslie Park for the month of September was 92.3. This happened on the 10th. The temperature also got above 90 the next day. This is notable because the highest temperature for August was just under 87 degrees. On the 14th of the month, we saw the lowest temperature at 36.7 degrees. This was also the day of the first frost of the fall. The temperature needs to be below freezing for frost to form but since the weather station is 15 feet above ground, the temperature at grass level can be quite lower. The average temperature for the month was 62.3.
The amount of rain for the month was 1.40 inches, bringing the yearly total to 22.88 inches. The most rain in a single day was 0.56 inches on the 20th. Eight days had more than a trace of rain, while four days had more than a tenth of an inch.
The average wind speed for the month was 1.7 mph with the highest sustained wind speed recorded was 24 mph. (Sep 12)