United States · 1991–2020 normal

Ketchum in
September.

Typical September weather in Ketchum: 21°C by day, 2.1°C at night, 26 mm of rain over 3.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high21°C
Typical low2.1°C
Rain26 mm
Wet days3.9

Comfort score 66 this month (August leads the year at 76). Daylight is calculated as 12 h 27 from latitude 43.68°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5597711
NOAA station
USC00104845 · KETCHUM RS
Station distance
0.5 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

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