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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 sees moderate rainfall in September, averaging 8 rainy days.

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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

Lane County in September average weather

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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
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
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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 8°. 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 68.2 mm spread over approximately 8 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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Location coordinates 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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