September 20 - custom location - Weather History and Averages

High Temperatures

On September 20 in this location the average high temperature is 78.9 °F (26.0 °C). The lowest recored high temperature was 64.9 °F (18.3 °C) in 1991 and the highest recored high temperature was 102.9 °F (39.4 °C) in 2015. The high temperature is usually* between 75.1 °F (24.0 °C) and 82.6 °F (28.1 °C). About a quarter of the time, the high temperature is less than 75.1 °F (24.0 °C), and another quarter of the time, the high temperature is greater than and 82.6 °F (28.1 °C). About 95% of the time, the high temperature has been between 68.0 °F (20.0 °C) and 89.7 °F (32.1 °C).

Low Temperatures

On September 20 in this location the average low temperature is 60.1 °F (15.6 °C). The lowest recored low temperature was 42.8 °F (6.0 °C) in 1999 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 2015. The low temperature is usually* between 56.9 °F (13.8 °C) and 63.3 °F (17.4 °C). About a quarter of the time, the low temperature is less than 56.9 °F (13.8 °C), and another quarter of the time, the low temperature is greater than and 63.3 °F (17.4 °C). About 95% of the time, the low temperature has been between 50.8 °F (10.4 °C) and 69.3 °F (20.7 °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: