United States · 1991–2020 normal

Richland in
September.

Typical September weather in Richland: 30°C by day, 16.8°C at night, 121 mm of rain over 5.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30°C
Typical low16.8°C
Rain121 mm
Wet days5.8

Comfort score 62 this month (October leads the year at 79). Daylight is calculated as 12 h 20 from latitude 32.09°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4218732
NOAA station
USC00095394 · LUMPKIN 2 SE
Station distance
12 km from the place centre
Coverage
Good coverage · 16 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.