September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 85.2 °F (29.6 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1963 and the highest recored high temperature was 107.1 °F (41.7 °C) in 2016. The high temperature is usually* between 79.9 °F (26.6 °C) and 90.6 °F (32.5 °C). About a quarter of the time, the high temperature is less than 79.9 °F (26.6 °C), and another quarter of the time, the high temperature is greater than and 90.6 °F (32.5 °C). About 95% of the time, the high temperature has been between 69.6 °F (20.9 °C) and 100.8 °F (38.2 °C).

Low Temperatures

On September 18 in this location the average low temperature is 59.8 °F (15.4 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 2006 and the lowest recored low temperature was 78.3 °F (25.7 °C) in 1934. The low temperature is usually* between 56.4 °F (13.6 °C) and 63.1 °F (17.3 °C). About a quarter of the time, the low temperature is less than 56.4 °F (13.6 °C), and another quarter of the time, the low temperature is greater than and 63.1 °F (17.3 °C). About 95% of the time, the low temperature has been between 50.1 °F (10.0 °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: