United States · 1991–2020 normal

Lewistown in
September.

Typical September weather in Lewistown: 21.2°C by day, 5.5°C at night, 35 mm of rain over 6.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high21.2°C
Typical low5.5°C
Rain35 mm
Wet days6.3

Comfort score 71 this month (August leads the year at 77). Daylight is calculated as 12 h 30 from latitude 47.06°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5662162
NOAA station
USW00024036 · LEWISTOWN AP
Station distance
2.3 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.