September 30 - custom location - Weather History and Averages

High Temperatures

On September 30 in this location the average high temperature is 70.6 °F (21.4 °C). The lowest recored high temperature was 50.4 °F (10.2 °C) in 1947 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1971. The high temperature is usually* between 64.6 °F (18.1 °C) and 76.5 °F (24.7 °C). About a quarter of the time, the high temperature is less than 64.6 °F (18.1 °C), and another quarter of the time, the high temperature is greater than and 76.5 °F (24.7 °C). About 95% of the time, the high temperature has been between 53.3 °F (11.8 °C) and 87.8 °F (31.0 °C).

Low Temperatures

On September 30 in this location the average low temperature is 49.6 °F (9.8 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 1984 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 2002. The low temperature is usually* between 43.9 °F (6.6 °C) and 55.2 °F (12.9 °C). About a quarter of the time, the low temperature is less than 43.9 °F (6.6 °C), and another quarter of the time, the low temperature is greater than and 55.2 °F (12.9 °C). About 95% of the time, the low temperature has been between 33.2 °F (0.7 °C) and 65.9 °F (18.8 °C).

Frost

On September 30 in this location expect the temperatures to drop below freezing for a risk of frost about 1.8% 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: