- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On September 22 in NORTHERLY ISLAND the average high temperature is 73.8 °F (23.2 °C). The lowest recored high temperature was 59.9 °F (15.5 °C) in 2012 and the highest recored high temperature was 84.9 °F (29.4 °C) in 2022. The high temperature is usually* between 68.4 °F (20.2 °C) and 79.2 °F (26.2 °C). About a quarter of the time, the high temperature is less than 68.4 °F (20.2 °C), and another quarter of the time, the high temperature is greater than and 79.2 °F (26.2 °C). About 95% of the time, the high temperature has been between 58.1 °F (14.5 °C) and 89.4 °F (31.9 °C).
Low Temperatures
On September 22 in NORTHERLY ISLAND the average low temperature is 59.0 °F (15.0 °C). The lowest recored low temperature was 47.3 °F (8.5 °C) in 2012 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 2019. The low temperature is usually* between 54.9 °F (12.7 °C) and 63.0 °F (17.2 °C). About a quarter of the time, the low temperature is less than 54.9 °F (12.7 °C), and another quarter of the time, the low temperature is greater than and 63.0 °F (17.2 °C). About 95% of the time, the low temperature has been between 47.1 °F (8.4 °C) and 70.8 °F (21.6 °C).
Frost
On September 22 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024