United States · 1991–2020 normal
Mason City in
September.
Typical September weather in Mason City: 26.4°C by day, 12°C at night, 88 mm of rain over 6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.4°C
Typical low12°C
Rain88 mm
Wet days6
Comfort score 77 this month, the highest of the year. Daylight is calculated as 12 h 24 from latitude 40.20°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4901390
- NOAA station
- USC00115413 · MASON CITY 4SE
- Station distance
- 5.8 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.