Josephine County (Grants Pass)
September
Weather in Josephine County, Oregon for September 2026
Your guide to Josephine County weather in September - trends and predictions
Until now, September 2026 in Josephine County is cooler than usual, with temperatures averaging 24.6 °F, this is 2.6 °F below the typical seasonal average.
The forecast for the next days in Josephine County predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in Josephine County at the beginning of September is 29.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.7 °F by the end of September.
With an average of 5 rainy days, Josephine County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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25
Dry days
5
Rainy days
0
Snow days
27°/12°
Temperatures
11 km/h
Avg max wind
57 %
Avg humidity
Josephine County Weather September
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Temperatures trend during September in Josephine County
See the weather trend as well as the moving average line
September weather in Josephine County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 29° /12° | 0 mm | 6 | |
| Sept. 2 |  Sunny | 27° /11° | 20.5 mm | 6 | |
| Sept. 3 |  Partly cloudy | 28° /11° | 1.7 mm | 7 | |
| Sept. 4 | Sunny | 29° /14° | 4.2 mm | 6 | |
| Sept. 5 | Sunny | 31° /14° | 0 mm | 8 | |
| Sept. 6 | Cloudy | 31° /14° | 0 mm | 7 | |
| Sept. 7 |  Overcast | 29° /12° | 0 mm | 6 | |
| Sept. 8 | Sunny | 29° /13° | 2.9 mm | 7 | |
| Sept. 9 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 10 | Sunny | 28° /13° | 0 mm | 6 | |
| Sept. 11 | Overcast | 22° /10° | 1.1 mm | 5 | |
| Sept. 12 | Overcast | 23° /8° | 0 mm | 5 | |
| Sept. 13 | Overcast | 25° /9° | 0.3 mm | 6 | |
| Sept. 14 | Partly cloudy | 24° /8° | 1.8 mm | 6 | |
| Sept. 15 | Overcast | 24° /8° | 0 mm | 5 | |
| Sept. 16 | Overcast | 27° /9° | 0.2 mm | 6 | |
| Sept. 17 |  Patchy rain possible | 23° /12° | 3.1 mm | 6 | |
| Sept. 18 | Sunny | 27° /10° | 0 mm | 5.7 | |
| Sept. 19 | Overcast | 29° /10° | 0 mm | 5.7 | |
| Sept. 20 | Sunny | 29° /11° | 0 mm | 5.7 | |
| Sept. 21 | Sunny | 25° /11° | 0 mm | 6 | |
| Sept. 22 | Sunny | 26° /8° | 0 mm | 7 | |
| Sept. 23 | Sunny | 33° /10° | 0 mm | 8 | |
| Sept. 24 | Sunny | 34° /14° | 0 mm | 8 | |
| Sept. 25 | Overcast | 29° /15° | 0 mm | 6 | |
| Sept. 26 | Overcast | 22° /12° | 0.9 mm | 5 | |
| Sept. 27 |  Mist | 17° /8° | 0 mm | 5 | |
| Sept. 28 | Overcast | 22° /6° | 0 mm | 6 | |
| Sept. 29 | Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 30 | Sunny | 25° /8° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Josephine 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 Josephine County forecast closer to your planned date for the most up-to-date weather information.
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Josephine County in September - FAQ
What are the expected maximum and minimum temperatures in Josephine County during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Josephine County during September?
Expect minimal rainfall in Josephine County during September, with a total of 12.9 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Josephine County during September?
The average wind speed in Josephine County during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Josephine County
Explore the daily rainfall trends and prepare for Josephine Countys September weather 💧
Typically, Josephine County has 5 rainy days in September with a total of 12.9 mm of rainfall.
UV exposure in Josephine County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Josephine County?Get accurate weather forecasts for Josephine County, located at latitude 42.439 and longitude -123.331. Stay updated with localized weather information tailored for Josephine County.
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