September 17 - custom location - Weather History and Averages

High Temperatures

On September 17 in this location the average high temperature is 74.1 °F (23.4 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1990 and the highest recored high temperature was 86.2 °F (30.1 °C) in 2018. The high temperature is usually* between 69.3 °F (20.7 °C) and 78.9 °F (26.0 °C). About a quarter of the time, the high temperature is less than 69.3 °F (20.7 °C), and another quarter of the time, the high temperature is greater than and 78.9 °F (26.0 °C). About 95% of the time, the high temperature has been between 60.2 °F (15.7 °C) and 88.0 °F (31.1 °C).

Low Temperatures

On September 17 in this location the average low temperature is 54.1 °F (12.3 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 1990 and the lowest recored low temperature was 68.7 °F (20.4 °C) in 2016. The low temperature is usually* between 49.3 °F (9.6 °C) and 58.9 °F (15.0 °C). About a quarter of the time, the low temperature is less than 49.3 °F (9.6 °C), and another quarter of the time, the low temperature is greater than and 58.9 °F (15.0 °C). About 95% of the time, the low temperature has been between 40.0 °F (4.5 °C) and 68.2 °F (20.1 °C).

Frost

On September 17 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: