United States · 1991–2020 normal

Arapahoe in
September.

Typical September weather in Arapahoe: 23.3°C by day, 7.4°C at night, 17 mm of rain over 3.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23.3°C
Typical low7.4°C
Rain17 mm
Wet days3.1

Comfort score 84 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.96°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5817340
NOAA station
USW00024061 · RIVERTON
Station distance
11.6 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.