Eugene
September
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.
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22
Dry days
8
Rainy days
0
Snow days
24°/8°
Temperatures
11 km/h
Avg max wind
67 %
Avg humidity
Eugene in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  25° | 3 25° | 4  28° | 5 30° | 6 30° | 7 29° |
| 8 29° | 9  28° | 10 27° | 11  20° | 12 24° | 13 25° | 14  28° |
| 15 28° | 16 27° | 17 21° | 18 23° | 19 24° | 20 21° | 21 25° |
| 22 26° | 23 24° | 24 26° | 25  18° | 26 22° | 27  20° | 28 21° |
| 29 17° | 30 22° |
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Temperatures trend during September in Eugene
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Fog | 29° /12° | 0.2 mm | 7 | |
| Sept. 2 | Light rain shower | 25° /11° | 0.4 mm | 6 | |
| Sept. 3 | Fog | 25° /9° | 0.1 mm | 6 | |
| Sept. 4 | Light rain | 28° /9° | 2.7 mm | 7 | |
| Sept. 5 | Mist | 30° /9° | 0 mm | 7 | |
| Sept. 6 | Mist | 30° /10° | 0 mm | 7 | |
| Sept. 7 | Mist | 29° /10° | 0 mm | 7 | |
| Sept. 8 | Mist | 29° /9° | 0 mm | 7 | |
| Sept. 9 | Sunny | 28° /9° | 0 mm | 7 | |
| Sept. 10 | Mist | 27° /9° | 0 mm | 7 | |
| Sept. 11 | Overcast | 20° /10° | 5.2 mm | 5 | |
| Sept. 12 | Mist | 24° /9° | 0.2 mm | 6 | |
| Sept. 13 | Fog | 25° /8° | 0 mm | 6 | |
| Sept. 14 | Partly cloudy | 28° /7° | 0 mm | 7 | |
| Sept. 15 | Sunny | 28° /9° | 0 mm | 7 | |
| Sept. 16 | Partly cloudy | 27° /8° | 0 mm | 7 | |
| Sept. 17 | Partly cloudy | 21° /10° | 15.6 mm | 5 | |
| Sept. 18 | Overcast | 23° /11° | 1.2 mm | 6 | |
| Sept. 19 | Sunny | 24° /8° | 0 mm | 6 | |
| Sept. 20 | Patchy rain possible | 21° /7° | 0 mm | 5 | |
| Sept. 21 | Partly cloudy | 25° /4° | 0 mm | 6 | |
| Sept. 22 | Partly cloudy | 26° /7° | 0 mm | 7 | |
| Sept. 23 | Light rain shower | 24° /10° | 2 mm | 6 | |
| Sept. 24 | Patchy rain possible | 26° /10° | 0 mm | 6 | |
| Sept. 25 | Heavy rain | 18° /11° | 8.5 mm | 4 | |
| Sept. 26 | Light rain shower | 22° /10° | 7.7 mm | 5 | |
| Sept. 27 | Moderate or heavy rain shower | 20° /10° | 6.4 mm | 5 | |
| Sept. 28 | Light rain shower | 21° /7° | 1.5 mm | 5 | |
| Sept. 29 | Light rain | 17° /8° | 4.7 mm | 4 | |
| Sept. 30 | Mist | 22° /5° | 0 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.
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 ☀️
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