September 21 - custom location - Weather History and Averages

High Temperatures

On September 21 in this location the average high temperature is 85.8 °F (29.9 °C). The lowest recored high temperature was 50.0 °F (10.0 °C) in 1998 and the highest recored high temperature was 107.1 °F (41.7 °C) in 2015. The high temperature is usually* between 80.2 °F (26.8 °C) and 91.4 °F (33.0 °C). About a quarter of the time, the high temperature is less than 80.2 °F (26.8 °C), and another quarter of the time, the high temperature is greater than and 91.4 °F (33.0 °C). About 95% of the time, the high temperature has been between 69.7 °F (20.9 °C) and 101.9 °F (38.9 °C).

Low Temperatures

On September 21 in this location the average low temperature is 59.7 °F (15.4 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2007 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 2015. The low temperature is usually* between 56.4 °F (13.5 °C) and 63.1 °F (17.3 °C). About a quarter of the time, the low temperature is less than 56.4 °F (13.5 °C), and another quarter of the time, the low temperature is greater than and 63.1 °F (17.3 °C). About 95% of the time, the low temperature has been between 50.0 °F (10.0 °C) and 69.4 °F (20.8 °C).

Frost

On September 21 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: