September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 77.7 °F (25.4 °C). The lowest recored high temperature was 61.9 °F (16.6 °C) in 2020 and the highest recored high temperature was 89.1 °F (31.7 °C) in 2007. The high temperature is usually* between 72.7 °F (22.6 °C) and 82.6 °F (28.1 °C). About a quarter of the time, the high temperature is less than 72.7 °F (22.6 °C), and another quarter of the time, the high temperature is greater than and 82.6 °F (28.1 °C). About 95% of the time, the high temperature has been between 63.3 °F (17.4 °C) and 92.0 °F (33.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 53.1 °F (11.7 °C). The lowest recored low temperature was 39.2 °F (4.0 °C) in 2009 and the lowest recored low temperature was 68.9 °F (20.5 °C) in 2015. The low temperature is usually* between 47.9 °F (8.9 °C) and 58.3 °F (14.6 °C). About a quarter of the time, the low temperature is less than 47.9 °F (8.9 °C), and another quarter of the time, the low temperature is greater than and 58.3 °F (14.6 °C). About 95% of the time, the low temperature has been between 38.1 °F (3.4 °C) and 68.1 °F (20.0 °C).

Frost

On September 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.3% 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: