- Latitude: 42.223
- Longitude: -83.744
High Temperatures
On September 20 in this location the average high temperature is 74.7 °F (23.7 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 1956 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2002. The high temperature is usually* between 68.8 °F (20.4 °C) and 80.5 °F (26.9 °C). About a quarter of the time, the high temperature is less than 68.8 °F (20.4 °C), and another quarter of the time, the high temperature is greater than and 80.5 °F (26.9 °C). About 95% of the time, the high temperature has been between 57.7 °F (14.3 °C) and 91.6 °F (33.1 °C).
Low Temperatures
On September 20 in this location the average low temperature is 52.4 °F (11.3 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 2020 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 2013. The low temperature is usually* between 46.7 °F (8.2 °C) and 58.2 °F (14.5 °C). About a quarter of the time, the low temperature is less than 46.7 °F (8.2 °C), and another quarter of the time, the low temperature is greater than and 58.2 °F (14.5 °C). About 95% of the time, the low temperature has been between 35.8 °F (2.1 °C) and 69.1 °F (20.6 °C).
Frost
On September 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.8% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- WILLOW RUN AIRPORT — Integrated Surface Dataset (ISD) station ID: 725376 — Weather Bureau Army Navy (WBAN): 14853 — from year 1973 to 2024
- ANN ARBOR MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 725374 — Weather Bureau Army Navy (WBAN): 94889 — from year 2006 to 2024
- WILLOW RUN — Integrated Surface Dataset (ISD) station ID: 725376 — from year 2000 to 2003
- DETROIT WILLOW RUN AP — Weather Bureau Army Navy (WBAN): 14853 — from year 1948 to 1968