September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 73.3 °F (22.9 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 1991 and the highest recored high temperature was 91.9 °F (33.3 °C) in 1978. The high temperature is usually* between 67.1 °F (19.5 °C) and 79.5 °F (26.4 °C). About a quarter of the time, the high temperature is less than 67.1 °F (19.5 °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 55.3 °F (12.9 °C) and 91.3 °F (32.9 °C).

Low Temperatures

On September 20 in this location the average low temperature is 58.4 °F (14.6 °C). The lowest recored low temperature was 37.6 °F (3.1 °C) in 2020 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 1978. The low temperature is usually* between 53.6 °F (12.0 °C) and 63.1 °F (17.3 °C). About a quarter of the time, the low temperature is less than 53.6 °F (12.0 °C), and another quarter of the time, the low temperature is greater than and 63.1 °F (17.3 °C). About 95% of the time, the low temperature has been between 44.6 °F (7.0 °C) and 72.1 °F (22.3 °C).

Frost

On September 20 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: