Oregon, USA
Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Eugene, OR

  • Average high temperature in September: 76.9°F

Warmest month (with highest average high temperature) is August (82.8°F).
Month with lowest average high temperature is December (45.6°F).

  • Average low temperature in September: 47.3°F

Month with highest average low temperature is July (51.7°F).
Coldest month (with lowest average low temperature) is December (34.1°F).

  • Average rainfall in September: 1.3"

Wettest month (with highest rainfall) is December (7.8").
Driest months (with lowest rainfall) are July and August (0.6").

  • Average rainfall days in September: 5.4 days

Months with highest number of rainy days are November and December (17.9 days).
Month with lowest number of rainy days is July (3.1 days).

  • Average snowfall in September: 0"

Month with highest snowfall is February (1.4").
Months with lowest snowfall are March, April, May, June, July, August, September and October (0").

  • Average snowfall days in September: 0 days

Month with highest number of snowfall days is February (0.7 days).
Months with lowest number of snowfall days are March, April, May, June, July, August, September and October (0 days).

  • Average daylight in September: 12h

Months with longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • Average sunshine in September: 9h

Month with most sunshine is July (Average sunshine: 12h).
Month with least sunshine is December (Average sunshine: 2h).

  • Average UV index in September: 6

Months with highest UV index are June and July (UV index 8).
Months with lowest UV index are January and December (UV index 1).