United States · 1991–2020 normal
Big Sky in
September.
Typical September weather in Big Sky: 20.7°C by day, 0.4°C at night, 38 mm of rain over 6.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high20.7°C
Typical low0.4°C
Rain38 mm
Wet days6.9
Comfort score 59 this month (July leads the year at 71). Daylight is calculated as 12 h 28 from latitude 45.28°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5640193
- NOAA station
- USC00240775 · BIG SKY 2WNW
- Station distance
- 3.5 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.