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 53.1 °F (11.7 °C) in 1989 and the highest recored high temperature was 102.2 °F (39.0 °C) in 2020. The high temperature is usually* between 74.8 °F (23.8 °C) and 83.5 °F (28.6 °C). About a quarter of the time, the high temperature is less than 74.8 °F (23.8 °C), and another quarter of the time, the high temperature is greater than and 83.5 °F (28.6 °C). About 95% of the time, the high temperature has been between 66.5 °F (19.2 °C) and 91.8 °F (33.2 °C).

Low Temperatures

On September 18 in this location the average low temperature is 62.0 °F (16.7 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 1989 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2016. The low temperature is usually* between 59.3 °F (15.2 °C) and 64.8 °F (18.2 °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 64.8 °F (18.2 °C). About 95% of the time, the low temperature has been between 54.1 °F (12.3 °C) and 70.0 °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: