United States · 1991–2020 normal
Umatilla in
September.
Typical September weather in Umatilla: 30.9°C by day, 21.9°C at night, 160 mm of rain over 11 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.9°C
Typical low21.9°C
Rain160 mm
Wet days11
Comfort score 40 this month (November leads the year at 90). Daylight is calculated as 12 h 18 from latitude 28.93°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4176059
- NOAA station
- USC00085076 · LISBON
- Station distance
- 13.2 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.