September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 73.6 °F (23.1 °C). The lowest recored high temperature was 59.2 °F (15.1 °C) in 2010 and the highest recored high temperature was 90.0 °F (32.2 °C) in 2020. The high temperature is usually* between 70.5 °F (21.4 °C) and 76.6 °F (24.8 °C). About a quarter of the time, the high temperature is less than 70.5 °F (21.4 °C), and another quarter of the time, the high temperature is greater than and 76.6 °F (24.8 °C). About 95% of the time, the high temperature has been between 64.6 °F (18.1 °C) and 82.5 °F (28.1 °C).

Low Temperatures

On September 18 in this location the average low temperature is 57.8 °F (14.3 °C). The lowest recored low temperature was 48.0 °F (8.9 °C) in 2006 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1984. The low temperature is usually* between 54.8 °F (12.7 °C) and 60.7 °F (16.0 °C). About a quarter of the time, the low temperature is less than 54.8 °F (12.7 °C), and another quarter of the time, the low temperature is greater than and 60.7 °F (16.0 °C). About 95% of the time, the low temperature has been between 49.1 °F (9.5 °C) and 66.4 °F (19.1 °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: