September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 78.3 °F (25.7 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1985 and the highest recored high temperature was 103.3 °F (39.6 °C) in 2020. The high temperature is usually* between 73.6 °F (23.1 °C) and 83.0 °F (28.3 °C). About a quarter of the time, the high temperature is less than 73.6 °F (23.1 °C), and another quarter of the time, the high temperature is greater than and 83.0 °F (28.3 °C). About 95% of the time, the high temperature has been between 64.6 °F (18.1 °C) and 92.0 °F (33.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 60.2 °F (15.7 °C). The lowest recored low temperature was 45.0 °F (7.2 °C) in 2010 and the lowest recored low temperature was 72.3 °F (22.4 °C) in 2020. The low temperature is usually* between 57.0 °F (13.9 °C) and 63.4 °F (17.4 °C). About a quarter of the time, the low temperature is less than 57.0 °F (13.9 °C), and another quarter of the time, the low temperature is greater than and 63.4 °F (17.4 °C). About 95% of the time, the low temperature has been between 50.9 °F (10.5 °C) and 69.5 °F (20.8 °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: