September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 87.0 °F (30.6 °C). The lowest recored high temperature was 55.4 °F (13.0 °C) in 2007 and the highest recored high temperature was 102.9 °F (39.4 °C) in 1943. The high temperature is usually* between 81.6 °F (27.6 °C) and 92.4 °F (33.6 °C). About a quarter of the time, the high temperature is less than 81.6 °F (27.6 °C), and another quarter of the time, the high temperature is greater than and 92.4 °F (33.6 °C). About 95% of the time, the high temperature has been between 71.3 °F (21.8 °C) and 102.8 °F (39.3 °C).

Low Temperatures

On September 20 in this location the average low temperature is 57.3 °F (14.0 °C). The lowest recored low temperature was 32.0 °F (0.0 °C) in 2024 and the lowest recored low temperature was 78.1 °F (25.6 °C) in 1991. The low temperature is usually* between 53.1 °F (11.7 °C) and 61.4 °F (16.4 °C). About a quarter of the time, the low temperature is less than 53.1 °F (11.7 °C), and another quarter of the time, the low temperature is greater than and 61.4 °F (16.4 °C). About 95% of the time, the low temperature has been between 45.2 °F (7.3 °C) and 69.4 °F (20.8 °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: