Eugene (OR)
September
Weather in Eugene, Oregon for September 2026
Your guide to Eugene weather in September - trends and predictions
In general, the average temperature in Eugene at the beginning of September is 28.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °F by the end of September.
Eugene experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 56.5 mm.
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Temperatures
Rain 🌧️
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20
Dry days
10
Rainy days
0
Snow days
24°/9°
Temperatures
11 km/h
Avg max wind
67 %
Avg humidity
Eugene Weather September
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Temperatures trend during September in Eugene
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September weather in Eugene day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 28° /13° | 0.1 mm | 6 | |
| Sept. 2 |  Light rain shower | 27° /11° | 0.3 mm | 6 | |
| Sept. 3 | Fog | 28° /11° | 0 mm | 6 | |
| Sept. 4 |  Light rain | 30° /11° | 1.8 mm | 7 | |
| Sept. 5 | Mist | 29° /11° | 0 mm | 7 | |
| Sept. 6 | Mist | 28° /11° | 0 mm | 7 | |
| Sept. 7 |  Overcast | 27° /11° | 0 mm | 6 | |
| Sept. 8 | Mist | 25° /10° | 1.5 mm | 6 | |
| Sept. 9 |  Sunny | 26° /10° | 0 mm | 6 | |
| Sept. 10 | Mist | 26° /11° | 0 mm | 6 | |
| Sept. 11 | Overcast | 20° /11° | 3.5 mm | 4 | |
| Sept. 12 | Mist | 25° /11° | 0.1 mm | 6 | |
| Sept. 13 | Mist | 25° /8° | 0 mm | 6 | |
| Sept. 14 |  Partly cloudy | 25° /8° | 2 mm | 6 | |
| Sept. 15 | Sunny | 27° /8° | 0 mm | 7 | |
| Sept. 16 | Partly cloudy | 29° /9° | 0 mm | 7 | |
| Sept. 17 | Partly cloudy | 23° /11° | 10.4 mm | 6 | |
| Sept. 18 | Overcast | 22° /11° | 0.8 mm | 5 | |
| Sept. 19 | Sunny | 25° /9° | 0 mm | 6 | |
| Sept. 20 | Mist | 21° /9° | 0 mm | 5 | |
| Sept. 21 | Partly cloudy | 22° /7° | 2.3 mm | 5 | |
| Sept. 22 | Partly cloudy | 25° /7° | 0 mm | 6 | |
| Sept. 23 | Sunny | 27° /10° | 1.3 mm | 7 | |
| Sept. 24 | Patchy rain possible | 28° /11° | 0 mm | 6 | |
| Sept. 25 |  Heavy rain | 20° /11° | 5.7 mm | 5 | |
| Sept. 26 | Light rain shower | 23° /9° | 5.1 mm | 5 | |
| Sept. 27 |  Moderate or heavy rain shower | 22° /10° | 4.3 mm | 5 | |
| Sept. 28 | Light rain shower | 21° /8° | 1 mm | 5 | |
| Sept. 29 | Light rain | 17° /10° | 9.8 mm | 4 | |
| Sept. 30 | Mist | 21° /7° | 1.2 mm | 5 | |
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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.
Change Month
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 9°. 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 56.5 mm spread over approximately 10 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 ☀️
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