September 17 - custom location - Weather History and Averages

High Temperatures

On September 17 in this location the average high temperature is 73.6 °F (23.1 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 2010 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2014. The high temperature is usually* between 70.4 °F (21.3 °C) and 76.9 °F (24.9 °C). About a quarter of the time, the high temperature is less than 70.4 °F (21.3 °C), and another quarter of the time, the high temperature is greater than and 76.9 °F (24.9 °C). About 95% of the time, the high temperature has been between 64.2 °F (17.9 °C) and 83.0 °F (28.3 °C).

Low Temperatures

On September 17 in this location the average low temperature is 58.0 °F (14.5 °C). The lowest recored low temperature was 48.9 °F (9.4 °C) in 1959 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1984. The low temperature is usually* between 55.1 °F (12.8 °C) and 61.0 °F (16.1 °C). About a quarter of the time, the low temperature is less than 55.1 °F (12.8 °C), and another quarter of the time, the low temperature is greater than and 61.0 °F (16.1 °C). About 95% of the time, the low temperature has been between 49.5 °F (9.7 °C) and 66.6 °F (19.2 °C).

Frost

On September 17 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: