September 15 - custom location - Weather History and Averages

High Temperatures

On September 15 in this location the average high temperature is 74.8 °F (23.8 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 2011 and the highest recored high temperature was 93.0 °F (33.9 °C) in 2021. The high temperature is usually* between 70.0 °F (21.1 °C) and 79.7 °F (26.5 °C). About a quarter of the time, the high temperature is less than 70.0 °F (21.1 °C), and another quarter of the time, the high temperature is greater than and 79.7 °F (26.5 °C). About 95% of the time, the high temperature has been between 60.8 °F (16.0 °C) and 88.9 °F (31.6 °C).

Low Temperatures

On September 15 in this location the average low temperature is 55.3 °F (12.9 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2007 and the lowest recored low temperature was 72.9 °F (22.7 °C) in 1991. The low temperature is usually* between 50.1 °F (10.1 °C) and 60.4 °F (15.8 °C). About a quarter of the time, the low temperature is less than 50.1 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 60.4 °F (15.8 °C). About 95% of the time, the low temperature has been between 40.3 °F (4.6 °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: