September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 87.8 °F (31.0 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1955 and the highest recored high temperature was 107.1 °F (41.7 °C) in 2016. The high temperature is usually* between 82.3 °F (28.0 °C) and 93.3 °F (34.1 °C). About a quarter of the time, the high temperature is less than 82.3 °F (28.0 °C), and another quarter of the time, the high temperature is greater than and 93.3 °F (34.1 °C). About 95% of the time, the high temperature has been between 71.9 °F (22.2 °C) and 103.7 °F (39.8 °C).

Low Temperatures

On September 18 in this location the average low temperature is 59.9 °F (15.5 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 2006 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 2020. The low temperature is usually* between 55.8 °F (13.2 °C) and 63.9 °F (17.7 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 63.9 °F (17.7 °C). About 95% of the time, the low temperature has been between 48.2 °F (9.0 °C) and 71.6 °F (22.0 °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: