September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 72.8 °F (22.7 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 1981 and the highest recored high temperature was 92.3 °F (33.5 °C) in 1955. The high temperature is usually* between 67.7 °F (19.8 °C) and 78.0 °F (25.6 °C). About a quarter of the time, the high temperature is less than 67.7 °F (19.8 °C), and another quarter of the time, the high temperature is greater than and 78.0 °F (25.6 °C). About 95% of the time, the high temperature has been between 57.8 °F (14.3 °C) and 87.9 °F (31.0 °C).

Low Temperatures

On September 18 in this location the average low temperature is 54.8 °F (12.6 °C). The lowest recored low temperature was 38.8 °F (3.8 °C) in 1981 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2022. The low temperature is usually* between 50.2 °F (10.1 °C) and 59.3 °F (15.2 °C). About a quarter of the time, the low temperature is less than 50.2 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 59.3 °F (15.2 °C). About 95% of the time, the low temperature has been between 41.6 °F (5.3 °C) and 67.9 °F (19.9 °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: