United States · 1991–2020 normal

Delta in
September.

Typical September weather in Delta: 28.3°C by day, 7°C at night, 19 mm of rain over 3.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high28.3°C
Typical low7°C
Rain19 mm
Wet days3.3

Comfort score 71 this month (May leads the year at 78). Daylight is calculated as 12 h 24 from latitude 39.35°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5538080
NOAA station
USW00023162 · DELTA
Station distance
1.8 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.