September 21 - custom location - Weather History and Averages

High Temperatures

On September 21 in this location the average high temperature is 80.7 °F (27.0 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1991 and the highest recored high temperature was 104.0 °F (40.0 °C) in 2015. The high temperature is usually* between 76.4 °F (24.7 °C) and 84.9 °F (29.4 °C). About a quarter of the time, the high temperature is less than 76.4 °F (24.7 °C), and another quarter of the time, the high temperature is greater than and 84.9 °F (29.4 °C). About 95% of the time, the high temperature has been between 68.3 °F (20.2 °C) and 93.1 °F (33.9 °C).

Low Temperatures

On September 21 in this location the average low temperature is 61.0 °F (16.1 °C). The lowest recored low temperature was 48.0 °F (8.9 °C) in 1954 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 1983. The low temperature is usually* between 58.1 °F (14.5 °C) and 64.0 °F (17.8 °C). About a quarter of the time, the low temperature is less than 58.1 °F (14.5 °C), and another quarter of the time, the low temperature is greater than and 64.0 °F (17.8 °C). About 95% of the time, the low temperature has been between 52.5 °F (11.4 °C) and 69.6 °F (20.9 °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: