September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 79.2 °F (26.2 °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 75.1 °F (23.9 °C) and 83.4 °F (28.6 °C). About a quarter of the time, the high temperature is less than 75.1 °F (23.9 °C), and another quarter of the time, the high temperature is greater than and 83.4 °F (28.6 °C). About 95% of the time, the high temperature has been between 67.1 °F (19.5 °C) and 91.3 °F (33.0 °C).

Low Temperatures

On September 18 in this location the average low temperature is 62.1 °F (16.7 °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 59.3 °F (15.2 °C) and 64.9 °F (18.3 °C). About a quarter of the time, the low temperature is less than 59.3 °F (15.2 °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 54.0 °F (12.2 °C) and 70.2 °F (21.2 °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: