United States · 1991–2020 normal

Clear Lake in
September.

Typical September weather in Clear Lake: 23.5°C by day, 9.5°C at night, 88 mm of rain over 7.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23.5°C
Typical low9.5°C
Rain88 mm
Wet days7.3

Comfort score 77 this month (August leads the year at 77). Daylight is calculated as 12 h 27 from latitude 43.14°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4851935
NOAA station
USW00014940 · MASON CITY MUNI AP
Station distance
4.7 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.