September 15 - custom location - Weather History and Averages

High Temperatures

On September 15 in this location the average high temperature is 75.5 °F (24.2 °C). The lowest recored high temperature was 57.2 °F (14.0 °C) in 2014 and the highest recored high temperature was 89.6 °F (32.0 °C) in 2024. The high temperature is usually* between 70.4 °F (21.3 °C) and 80.7 °F (27.1 °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 80.7 °F (27.1 °C). About 95% of the time, the high temperature has been between 60.6 °F (15.9 °C) and 90.5 °F (32.5 °C).

Low Temperatures

On September 15 in this location the average low temperature is 51.9 °F (11.1 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2011 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2004. The low temperature is usually* between 46.9 °F (8.3 °C) and 56.9 °F (13.9 °C). About a quarter of the time, the low temperature is less than 46.9 °F (8.3 °C), and another quarter of the time, the low temperature is greater than and 56.9 °F (13.9 °C). About 95% of the time, the low temperature has been between 37.4 °F (3.0 °C) and 66.5 °F (19.2 °C).

Frost

On September 15 in this location expect the temperatures to drop below freezing for a risk of frost about 0.4% 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: