September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 73.5 °F (23.0 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 1956 and the highest recored high temperature was 90.9 °F (32.7 °C) in 1984. The high temperature is usually* between 68.2 °F (20.1 °C) and 78.7 °F (25.9 °C). About a quarter of the time, the high temperature is less than 68.2 °F (20.1 °C), and another quarter of the time, the high temperature is greater than and 78.7 °F (25.9 °C). About 95% of the time, the high temperature has been between 58.2 °F (14.6 °C) and 88.7 °F (31.5 °C).

Low Temperatures

On September 20 in this location the average low temperature is 56.3 °F (13.5 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 2020 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1983. The low temperature is usually* between 51.3 °F (10.7 °C) and 61.2 °F (16.2 °C). About a quarter of the time, the low temperature is less than 51.3 °F (10.7 °C), and another quarter of the time, the low temperature is greater than and 61.2 °F (16.2 °C). About 95% of the time, the low temperature has been between 41.9 °F (5.5 °C) and 70.6 °F (21.5 °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: