September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 78.5 °F (25.8 °C). The lowest recored high temperature was 64.4 °F (18.0 °C) in 1999 and the highest recored high temperature was 102.2 °F (39.0 °C) in 2020. The high temperature is usually* between 74.5 °F (23.6 °C) and 82.5 °F (28.0 °C). About a quarter of the time, the high temperature is less than 74.5 °F (23.6 °C), and another quarter of the time, the high temperature is greater than and 82.5 °F (28.0 °C). About 95% of the time, the high temperature has been between 66.9 °F (19.4 °C) and 90.1 °F (32.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 62.2 °F (16.8 °C). The lowest recored low temperature was 44.4 °F (6.9 °C) in 1943 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 1984. The low temperature is usually* between 59.5 °F (15.3 °C) and 64.9 °F (18.3 °C). About a quarter of the time, the low temperature is less than 59.5 °F (15.3 °C), and another quarter of the time, the low temperature is greater than and 64.9 °F (18.3 °C). About 95% of the time, the low temperature has been between 54.5 °F (12.5 °C) and 69.9 °F (21.1 °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: