September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 74.7 °F (23.7 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 1981 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2007. The high temperature is usually* between 69.6 °F (20.9 °C) and 79.7 °F (26.5 °C). About a quarter of the time, the high temperature is less than 69.6 °F (20.9 °C), and another quarter of the time, the high temperature is greater than and 79.7 °F (26.5 °C). About 95% of the time, the high temperature has been between 60.1 °F (15.6 °C) and 89.2 °F (31.8 °C).

Low Temperatures

On September 18 in this location the average low temperature is 59.6 °F (15.3 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 2014 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 1988. The low temperature is usually* between 55.4 °F (13.0 °C) and 63.8 °F (17.7 °C). About a quarter of the time, the low temperature is less than 55.4 °F (13.0 °C), and another quarter of the time, the low temperature is greater than and 63.8 °F (17.7 °C). About 95% of the time, the low temperature has been between 47.4 °F (8.6 °C) and 71.8 °F (22.1 °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: