United States · 1991–2020 normal

Custer in
September.

Typical September weather in Custer: 22°C by day, 7.3°C at night, 42 mm of rain over 4.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high22°C
Typical low7.3°C
Rain42 mm
Wet days4.7

Comfort score 77 this month (August leads the year at 80). Daylight is calculated as 12 h 27 from latitude 43.77°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5763910
NOAA station
USC00392087 · CUSTER
Station distance
1.4 km from the place centre
Coverage
Good coverage · 24 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.