United States · 1991–2020 normal

Lewiston in
September.

Typical September weather in Lewiston: 30.9°C by day, 7.5°C at night, 8 mm of rain over 1.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.9°C
Typical low7.5°C
Rain8 mm
Wet days1.3

Comfort score 64 this month (May leads the year at 80). Daylight is calculated as 12 h 25 from latitude 40.71°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5566668
NOAA station
USC00049026 · TRINITY RVR HATCHERY
Station distance
2.4 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.