September 15 - custom location - Weather History and Averages

High Temperatures

On September 15 in this location the average high temperature is 75.3 °F (24.1 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 2007 and the highest recored high temperature was 93.0 °F (33.9 °C) in 2021. The high temperature is usually* between 70.4 °F (21.3 °C) and 80.3 °F (26.8 °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 80.3 °F (26.8 °C). About 95% of the time, the high temperature has been between 60.9 °F (16.1 °C) and 89.7 °F (32.0 °C).

Low Temperatures

On September 15 in this location the average low temperature is 53.8 °F (12.1 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 1975 and the lowest recored low temperature was 72.9 °F (22.7 °C) in 1991. The low temperature is usually* between 48.5 °F (9.1 °C) and 59.1 °F (15.1 °C). About a quarter of the time, the low temperature is less than 48.5 °F (9.1 °C), and another quarter of the time, the low temperature is greater than and 59.1 °F (15.1 °C). About 95% of the time, the low temperature has been between 38.3 °F (3.5 °C) and 69.3 °F (20.7 °C).

Frost

On September 15 in this location expect the temperatures to drop below freezing for a risk of frost about 0.3% 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: