United States · 1991–2020 normal

East Helena in
September.

Typical September weather in East Helena: 23°C by day, 6.7°C at night, 25 mm of rain over 4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23°C
Typical low6.7°C
Rain25 mm
Wet days4

Comfort score 81 this month (June leads the year at 81). Daylight is calculated as 12 h 29 from latitude 46.59°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5650245
NOAA station
USW00024144 · HELENA AP ASOS
Station distance
5.9 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.