easeweather.com
Units
°C
°F
Eugene
Forecast Today Tomorrow
more
Oregon United States

Weather in Eugene for September 2025

Your guide to Eugene weather in September - trends and predictions
  • In general, the average temperature in Eugene at the beginning of September is 28 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °F by the end of September.

  • Eugene sees moderate rainfall in September, averaging 8 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/8°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Eugene in September average weather

Move between months or click on a day
Select a date

You can click on date

Access Eugene weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during September in Eugene

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Sept. 1 Fog
Fog
29° /12° 0.2 mm 7
Sept. 2 Light rain shower
Light rain shower
25° /11° 0.4 mm 6
Sept. 3 Fog
Fog
25° /9° 0.1 mm 6
Sept. 4 Light rain
Light rain
28° /9° 2.7 mm 7
Sept. 5 Mist
Mist
30° /9° 0 mm 7
Sept. 6 Mist
Mist
30° /10° 0 mm 7
Sept. 7 Mist
Mist
29° /10° 0 mm 7
Sept. 8 Mist
Mist
29° /9° 0 mm 7
Sept. 9 Sunny
Sunny
28° /9° 0 mm 7
Sept. 10 Mist
Mist
27° /9° 0 mm 7
Sept. 11 Overcast
Overcast
20° /10° 5.2 mm 5
Sept. 12 Mist
Mist
24° /9° 0.2 mm 6
Sept. 13 Fog
Fog
25° /8° 0 mm 6
Sept. 14 Partly cloudy
Partly cloudy
28° /7° 0 mm 7
Sept. 15 Sunny
Sunny
28° /9° 0 mm 7
Sept. 16 Partly cloudy
Partly cloudy
27° /8° 0 mm 7
Sept. 17 Partly cloudy
Partly cloudy
21° /10° 15.6 mm 5
Sept. 18 Overcast
Overcast
23° /11° 1.2 mm 6
Sept. 19 Sunny
Sunny
24° /8° 0 mm 6
Sept. 20 Patchy rain possible
Patchy rain possible
21° /7° 0 mm 5
Sept. 21 Partly cloudy
Partly cloudy
25° /4° 0 mm 6
Sept. 22 Partly cloudy
Partly cloudy
26° /7° 0 mm 7
Sept. 23 Light rain shower
Light rain shower
24° /10° 2 mm 6
Sept. 24 Patchy rain possible
Patchy rain possible
26° /10° 0 mm 6
Sept. 25 Heavy rain
Heavy rain
18° /11° 8.5 mm 4
Sept. 26 Light rain shower
Light rain shower
22° /10° 7.7 mm 5
Sept. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /10° 6.4 mm 5
Sept. 28 Light rain shower
Light rain shower
21° /7° 1.5 mm 5
Sept. 29 Light rain
Light rain
17° /8° 4.7 mm 4
Sept. 30 Mist
Mist
22° /5° 0 mm 5
Next
Important Notice
Our weather forecast for Eugene in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Eugene forecast closer to your planned date for the most up-to-date weather information.

Eugene in September - FAQ

What are the expected maximum and minimum temperatures in Eugene during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Eugene during September?
Moderate rainfall is anticipated in Eugene during September, with a total of 68.2 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Eugene during September?
The average wind speed in Eugene during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Eugene

Explore the daily rainfall trends and prepare for Eugenes September weather 💧

UV exposure in Eugene during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

Location coordinates Where is Eugene?

Get accurate weather forecasts for Eugene, located at latitude 44.052 and longitude -123.087. Stay updated with localized weather information tailored for Eugene.

Found a mistake?
We appreciate your attention to details. Tell us here.