September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 75.4 °F (24.1 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 1981 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1955. The high temperature is usually* between 70.4 °F (21.4 °C) and 80.4 °F (26.9 °C). About a quarter of the time, the high temperature is less than 70.4 °F (21.4 °C), and another quarter of the time, the high temperature is greater than and 80.4 °F (26.9 °C). About 95% of the time, the high temperature has been between 60.9 °F (16.1 °C) and 90.0 °F (32.2 °C).

Low Temperatures

On September 18 in this location the average low temperature is 52.6 °F (11.5 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 2014 and the lowest recored low temperature was 67.3 °F (19.6 °C) in 1942. The low temperature is usually* between 47.4 °F (8.5 °C) and 57.9 °F (14.4 °C). About a quarter of the time, the low temperature is less than 47.4 °F (8.5 °C), and another quarter of the time, the low temperature is greater than and 57.9 °F (14.4 °C). About 95% of the time, the low temperature has been between 37.3 °F (3.0 °C) and 67.9 °F (20.0 °C).

Frost

On September 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.4% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: