September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 72.4 °F (22.4 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 2020 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2024. The high temperature is usually* between 67.2 °F (19.6 °C) and 77.5 °F (25.3 °C). About a quarter of the time, the high temperature is less than 67.2 °F (19.6 °C), and another quarter of the time, the high temperature is greater than and 77.5 °F (25.3 °C). About 95% of the time, the high temperature has been between 57.4 °F (14.1 °C) and 87.3 °F (30.7 °C).

Low Temperatures

On September 18 in this location the average low temperature is 56.4 °F (13.5 °C). The lowest recored low temperature was 39.9 °F (4.4 °C) in 2014 and the lowest recored low temperature was 70.3 °F (21.3 °C) in 2022. The low temperature is usually* between 51.9 °F (11.0 °C) and 60.8 °F (16.0 °C). About a quarter of the time, the low temperature is less than 51.9 °F (11.0 °C), and another quarter of the time, the low temperature is greater than and 60.8 °F (16.0 °C). About 95% of the time, the low temperature has been between 43.4 °F (6.3 °C) and 69.3 °F (20.7 °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: