September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 76.2 °F (24.5 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 1962 and the highest recored high temperature was 90.0 °F (32.2 °C) in 2024. The high temperature is usually* between 70.8 °F (21.6 °C) and 81.5 °F (27.5 °C). About a quarter of the time, the high temperature is less than 70.8 °F (21.6 °C), and another quarter of the time, the high temperature is greater than and 81.5 °F (27.5 °C). About 95% of the time, the high temperature has been between 60.7 °F (15.9 °C) and 91.7 °F (33.2 °C).

Low Temperatures

On September 20 in this location the average low temperature is 53.5 °F (12.0 °C). The lowest recored low temperature was 33.1 °F (0.6 °C) in 1956 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1983. The low temperature is usually* between 47.8 °F (8.8 °C) and 59.3 °F (15.1 °C). About a quarter of the time, the low temperature is less than 47.8 °F (8.8 °C), and another quarter of the time, the low temperature is greater than and 59.3 °F (15.1 °C). About 95% of the time, the low temperature has been between 36.8 °F (2.7 °C) and 70.2 °F (21.2 °C).

Frost

On September 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.6% 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: