September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 73.7 °F (23.2 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1981 and the highest recored high temperature was 88.3 °F (31.3 °C) in 2007. The high temperature is usually* between 68.2 °F (20.1 °C) and 79.2 °F (26.2 °C). About a quarter of the time, the high temperature is less than 68.2 °F (20.1 °C), and another quarter of the time, the high temperature is greater than and 79.2 °F (26.2 °C). About 95% of the time, the high temperature has been between 57.8 °F (14.3 °C) and 89.6 °F (32.0 °C).

Low Temperatures

On September 18 in this location the average low temperature is 57.8 °F (14.3 °C). The lowest recored low temperature was 39.6 °F (4.2 °C) in 2014 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 1988. The low temperature is usually* between 53.1 °F (11.7 °C) and 62.5 °F (16.9 °C). About a quarter of the time, the low temperature is less than 53.1 °F (11.7 °C), and another quarter of the time, the low temperature is greater than and 62.5 °F (16.9 °C). About 95% of the time, the low temperature has been between 44.3 °F (6.8 °C) and 71.3 °F (21.9 °C).

Frost

On September 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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: