September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 75.9 °F (24.4 °C). The lowest recored high temperature was 55.9 °F (13.3 °C) in 1981 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1955. The high temperature is usually* between 71.1 °F (21.7 °C) and 80.8 °F (27.1 °C). About a quarter of the time, the high temperature is less than 71.1 °F (21.7 °C), and another quarter of the time, the high temperature is greater than and 80.8 °F (27.1 °C). About 95% of the time, the high temperature has been between 61.8 °F (16.5 °C) and 90.1 °F (32.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 53.8 °F (12.1 °C). The lowest recored low temperature was 36.0 °F (2.2 °C) in 1990 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1978. The low temperature is usually* between 48.4 °F (9.1 °C) and 59.1 °F (15.1 °C). About a quarter of the time, the low temperature is less than 48.4 °F (9.1 °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 38.2 °F (3.5 °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 0.3% 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: