United States · 1991–2020 normal
Alpena in
September.
Typical September weather in Alpena: 20.7°C by day, 10.8°C at night, 77 mm of rain over 9.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high20.7°C
Typical low10.8°C
Rain77 mm
Wet days9.1
Comfort score 70 this month (August leads the year at 85). Daylight is calculated as 12 h 28 from latitude 45.06°. Open-water sea temperature is 17.1°C (8 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4984075
- NOAA station
- USW00014814 · ALPENA WWTP
- Station distance
- 0.4 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.