Lane County (Eugene)
September
Weather in Lane County for September 2025
Your guide to Lane County weather in September - trends and predictions
In general, the average temperature in Lane County 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.
Lane County 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
Lane County 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 Lane County
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 Lane County 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 Lane County forecast closer to your planned date for the most up-to-date weather information.
Lane County in September - FAQ
What are the expected maximum and minimum temperatures in Lane County 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 Lane County during September?
Moderate rainfall is anticipated in Lane County 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 Lane County during September?
The average wind speed in Lane County during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Lane County
Explore the daily rainfall trends and prepare for Lane Countys September weather 💧
UV exposure in Lane County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Lane County?Get accurate weather forecasts for Lane County, located at latitude 44.052 and longitude -123.087. Stay updated with localized weather information tailored for Lane County.
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