September 15 - custom location - Weather History and Averages

High Temperatures

On September 15 in this location the average high temperature is 74.3 °F (23.5 °C). The lowest recored high temperature was 57.2 °F (14.0 °C) in 2007 and the highest recored high temperature was 95.4 °F (35.2 °C) in 1939. The high temperature is usually* between 69.2 °F (20.7 °C) and 79.4 °F (26.3 °C). About a quarter of the time, the high temperature is less than 69.2 °F (20.7 °C), and another quarter of the time, the high temperature is greater than and 79.4 °F (26.3 °C). About 95% of the time, the high temperature has been between 59.5 °F (15.3 °C) and 89.1 °F (31.7 °C).

Low Temperatures

On September 15 in this location the average low temperature is 54.3 °F (12.4 °C). The lowest recored low temperature was 35.4 °F (1.9 °C) in 1970 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1991. The low temperature is usually* between 49.3 °F (9.6 °C) and 59.2 °F (15.1 °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 59.2 °F (15.1 °C). About 95% of the time, the low temperature has been between 39.8 °F (4.3 °C) and 68.7 °F (20.4 °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: