United States · 1991–2020 normal
Tri-City in
September.
Typical September weather in Tri-City: 27.8°C by day, 8.8°C at night, 18 mm of rain over 3.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.8°C
Typical low8.8°C
Rain18 mm
Wet days3.2
Comfort score 76 this month (June leads the year at 85). Daylight is calculated as 12 h 26 from latitude 42.98°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5757355
- NOAA station
- USC00357169 · RIDDLE
- Station distance
- 5.3 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.