September was above normal for temperature with a monthly mean of 3.7 deg. F above normal. There were only two daily maximums at or above 90 deg F. The high for the month was 90.7 deg. F recorded on September 5. The low for the month was 42.4 deg F, recorded on September 30. There were 93 heating degree days.
September was extremely rainy with over 8.2 inches of rainfall recorded. This was 4.22 inches above normal for September and has contributed to a 13.79 inch surplus for 2018. The maximum rainfall in a single day was 2.33 inches recorded on September 10. There were 14 days of rain >.01 in, 11 >.1 in and 2 >1 in.
The outlook for October.
Seasonable temperatures and slightly above normal rainfall for central Pennsylvania.