United States · 1991–2020 normal

Walnut in
September.

Typical September weather in Walnut: 24.5°C by day, 11.6°C at night, 83 mm of rain over 5.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high24.5°C
Typical low11.6°C
Rain83 mm
Wet days5.8

Comfort score 83 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.56°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4915397
NOAA station
USC00118916 · WALNUT
Station distance
0.7 km from the place centre
Coverage
Strong coverage · 27 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.