September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 73.6 °F (23.1 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1962 and the highest recored high temperature was 99.0 °F (37.2 °C) in 1978. The high temperature is usually* between 68.5 °F (20.3 °C) and 78.8 °F (26.0 °C). About a quarter of the time, the high temperature is less than 68.5 °F (20.3 °C), and another quarter of the time, the high temperature is greater than and 78.8 °F (26.0 °C). About 95% of the time, the high temperature has been between 58.7 °F (14.8 °C) and 88.6 °F (31.5 °C).

Low Temperatures

On September 20 in this location the average low temperature is 57.5 °F (14.2 °C). The lowest recored low temperature was 32.4 °F (0.2 °C) in 2020 and the lowest recored low temperature was 72.9 °F (22.7 °C) in 1983. The low temperature is usually* between 52.4 °F (11.3 °C) and 62.7 °F (17.0 °C). About a quarter of the time, the low temperature is less than 52.4 °F (11.3 °C), and another quarter of the time, the low temperature is greater than and 62.7 °F (17.0 °C). About 95% of the time, the low temperature has been between 42.5 °F (5.8 °C) and 72.5 °F (22.5 °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: