United States · 1991–2020 normal
Sun Valley in
September.
Typical September weather in Sun Valley: 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 43.70°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5609286
- NOAA station
- USC00104845 · KETCHUM RS
- Station distance
- 1.6 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.