September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 76.5 °F (24.7 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 1990 and the highest recored high temperature was 91.2 °F (32.9 °C) in 1955. The high temperature is usually* between 71.2 °F (21.8 °C) and 81.8 °F (27.7 °C). About a quarter of the time, the high temperature is less than 71.2 °F (21.8 °C), and another quarter of the time, the high temperature is greater than and 81.8 °F (27.7 °C). About 95% of the time, the high temperature has been between 61.2 °F (16.2 °C) and 91.9 °F (33.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 54.7 °F (12.6 °C). The lowest recored low temperature was 37.0 °F (2.8 °C) in 1984 and the lowest recored low temperature was 72.3 °F (22.4 °C) in 1947. The low temperature is usually* between 49.3 °F (9.6 °C) and 60.0 °F (15.5 °C). About a quarter of the time, the low temperature is less than 49.3 °F (9.6 °C), and another quarter of the time, the low temperature is greater than and 60.0 °F (15.5 °C). About 95% of the time, the low temperature has been between 39.2 °F (4.0 °C) and 70.1 °F (21.2 °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: