September 17 - custom location - Weather History and Averages

High Temperatures

On September 17 in this location the average high temperature is 73.7 °F (23.2 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 1981 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1978. The high temperature is usually* between 69.0 °F (20.6 °C) and 78.3 °F (25.7 °C). About a quarter of the time, the high temperature is less than 69.0 °F (20.6 °C), and another quarter of the time, the high temperature is greater than and 78.3 °F (25.7 °C). About 95% of the time, the high temperature has been between 60.1 °F (15.6 °C) and 87.2 °F (30.7 °C).

Low Temperatures

On September 17 in this location the average low temperature is 56.2 °F (13.5 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 1959 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1978. The low temperature is usually* between 51.3 °F (10.7 °C) and 61.2 °F (16.2 °C). About a quarter of the time, the low temperature is less than 51.3 °F (10.7 °C), and another quarter of the time, the low temperature is greater than and 61.2 °F (16.2 °C). About 95% of the time, the low temperature has been between 42.0 °F (5.6 °C) and 70.5 °F (21.4 °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: