September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 73.8 °F (23.2 °C). The lowest recored high temperature was 52.3 °F (11.3 °C) in 1956 and the highest recored high temperature was 93.4 °F (34.1 °C) in 1956. The high temperature is usually* between 69.2 °F (20.6 °C) and 78.5 °F (25.8 °C). About a quarter of the time, the high temperature is less than 69.2 °F (20.6 °C), and another quarter of the time, the high temperature is greater than and 78.5 °F (25.8 °C). About 95% of the time, the high temperature has been between 60.2 °F (15.7 °C) and 87.4 °F (30.8 °C).

Low Temperatures

On September 20 in this location the average low temperature is 54.6 °F (12.5 °C). The lowest recored low temperature was 29.3 °F (-1.5 °C) in 1965 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1983. The low temperature is usually* between 50.2 °F (10.1 °C) and 59.0 °F (15.0 °C). About a quarter of the time, the low temperature is less than 50.2 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 59.0 °F (15.0 °C). About 95% of the time, the low temperature has been between 41.8 °F (5.5 °C) and 67.3 °F (19.6 °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: