September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 74.4 °F (23.5 °C). The lowest recored high temperature was 61.0 °F (16.1 °C) in 1990 and the highest recored high temperature was 89.6 °F (32.0 °C) in 2018. The high temperature is usually* between 69.7 °F (20.9 °C) and 79.1 °F (26.1 °C). About a quarter of the time, the high temperature is less than 69.7 °F (20.9 °C), and another quarter of the time, the high temperature is greater than and 79.1 °F (26.1 °C). About 95% of the time, the high temperature has been between 60.7 °F (15.9 °C) and 88.0 °F (31.1 °C).

Low Temperatures

On September 18 in this location the average low temperature is 54.1 °F (12.3 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 2013 and the lowest recored low temperature was 69.3 °F (20.7 °C) in 2018. The low temperature is usually* between 49.0 °F (9.4 °C) and 59.1 °F (15.1 °C). About a quarter of the time, the low temperature is less than 49.0 °F (9.4 °C), and another quarter of the time, the low temperature is greater than and 59.1 °F (15.1 °C). About 95% of the time, the low temperature has been between 39.4 °F (4.1 °C) and 68.7 °F (20.4 °C).

Frost

On September 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.2% 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: