September 15 - custom location - Weather History and Averages

High Temperatures

On September 15 in this location the average high temperature is 74.9 °F (23.9 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1993 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1991. The high temperature is usually* between 69.8 °F (21.0 °C) and 80.1 °F (26.7 °C). About a quarter of the time, the high temperature is less than 69.8 °F (21.0 °C), and another quarter of the time, the high temperature is greater than and 80.1 °F (26.7 °C). About 95% of the time, the high temperature has been between 59.9 °F (15.5 °C) and 90.0 °F (32.2 °C).

Low Temperatures

On September 15 in this location the average low temperature is 55.5 °F (13.0 °C). The lowest recored low temperature was 33.1 °F (0.6 °C) in 1999 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 1991. The low temperature is usually* between 50.4 °F (10.2 °C) and 60.6 °F (15.9 °C). About a quarter of the time, the low temperature is less than 50.4 °F (10.2 °C), and another quarter of the time, the low temperature is greater than and 60.6 °F (15.9 °C). About 95% of the time, the low temperature has been between 40.6 °F (4.8 °C) and 70.3 °F (21.3 °C).

Frost

On September 15 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: