September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 75.5 °F (24.2 °C). The lowest recored high temperature was 57.0 °F (13.9 °C) in 1991 and the highest recored high temperature was 93.9 °F (34.4 °C) in 2018. The high temperature is usually* between 69.6 °F (20.9 °C) and 81.3 °F (27.4 °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 81.3 °F (27.4 °C). About 95% of the time, the high temperature has been between 58.5 °F (14.7 °C) and 92.5 °F (33.6 °C).

Low Temperatures

On September 20 in this location the average low temperature is 54.3 °F (12.4 °C). The lowest recored low temperature was 29.1 °F (-1.6 °C) in 1991 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1978. The low temperature is usually* between 48.5 °F (9.2 °C) and 60.1 °F (15.6 °C). About a quarter of the time, the low temperature is less than 48.5 °F (9.2 °C), and another quarter of the time, the low temperature is greater than and 60.1 °F (15.6 °C). About 95% of the time, the low temperature has been between 37.5 °F (3.0 °C) and 71.1 °F (21.7 °C).

Frost

On September 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.5% 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: