September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 74.2 °F (23.5 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 1956 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2002. The high temperature is usually* between 69.0 °F (20.6 °C) and 79.5 °F (26.4 °C). About a quarter of the time, the high temperature is less than 69.0 °F (20.6 °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 59.1 °F (15.0 °C) and 89.4 °F (31.9 °C).

Low Temperatures

On September 20 in this location the average low temperature is 55.0 °F (12.8 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 2020 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1983. The low temperature is usually* between 50.0 °F (10.0 °C) and 60.1 °F (15.6 °C). About a quarter of the time, the low temperature is less than 50.0 °F (10.0 °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 40.5 °F (4.7 °C) and 69.6 °F (20.9 °C).

Frost

On September 20 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: