September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 73.0 °F (22.8 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1962 and the highest recored high temperature was 90.9 °F (32.7 °C) in 1984. The high temperature is usually* between 68.0 °F (20.0 °C) and 77.9 °F (25.5 °C). About a quarter of the time, the high temperature is less than 68.0 °F (20.0 °C), and another quarter of the time, the high temperature is greater than and 77.9 °F (25.5 °C). About 95% of the time, the high temperature has been between 58.5 °F (14.7 °C) and 87.4 °F (30.8 °C).

Low Temperatures

On September 20 in this location the average low temperature is 56.1 °F (13.4 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 2020 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 2016. The low temperature is usually* between 51.1 °F (10.6 °C) and 61.1 °F (16.2 °C). About a quarter of the time, the low temperature is less than 51.1 °F (10.6 °C), and another quarter of the time, the low temperature is greater than and 61.1 °F (16.2 °C). About 95% of the time, the low temperature has been between 41.5 °F (5.3 °C) and 70.7 °F (21.5 °C).

Frost

On September 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: