September 18 - custom location - Weather History and Averages

High Temperatures

On September 18 in this location the average high temperature is 74.8 °F (23.8 °C). The lowest recored high temperature was 58.8 °F (14.9 °C) in 1990 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1955. The high temperature is usually* between 70.1 °F (21.2 °C) and 79.5 °F (26.4 °C). About a quarter of the time, the high temperature is less than 70.1 °F (21.2 °C), and another quarter of the time, the high temperature is greater than and 79.5 °F (26.4 °C). About 95% of the time, the high temperature has been between 61.2 °F (16.2 °C) and 88.4 °F (31.3 °C).

Low Temperatures

On September 18 in this location the average low temperature is 54.9 °F (12.7 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 1990 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1965. The low temperature is usually* between 50.1 °F (10.1 °C) and 59.6 °F (15.4 °C). About a quarter of the time, the low temperature is less than 50.1 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.4 °C). About 95% of the time, the low temperature has been between 41.1 °F (5.0 °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 0.1% 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: