Grants Pass (OR)
September
Weather in Grants Pass, Oregon for September 2027
Your guide to Grants Pass weather in September - trends and predictions
In general, the average temperature in Grants Pass at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.1 °C by the end of September.
With an average of 4 rainy days, Grants Pass experiences minimal rainfall in September.
Is September a good time to visit Grants Pass? check out the best time to travel to Grants Pass page.
✨ Is September a good time to visit Grants Pass? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
26
Dry days
4
Rainy days
0
Snow days
26°/11°
Temperatures
11 km/h
Avg max wind
58 %
Avg humidity
Grants Pass Weather September
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Temperatures trend during September in Grants Pass
See the weather trend as well as the moving average line
September weather in Grants Pass day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 29° /12° | 0 mm | 6 | |
| Sept. 2 |  Moderate rain | 27° /11° | 20.5 mm | 6 | |
| Sept. 3 |  Patchy rain possible | 28° /11° | 1.7 mm | 7 | |
| Sept. 4 |  Light rain | 29° /14° | 4.2 mm | 6 | |
| Sept. 5 |  Sunny | 31° /15° | 0 mm | 7.4 | |
| Sept. 6 | Cloudy | 30° /15° | 0 mm | 7 | |
| Sept. 7 |  Overcast | 28° /13° | 0 mm | 6 | |
| Sept. 8 | Light rain | 28° /13° | 2.9 mm | 7 | |
| Sept. 9 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 10 | Sunny | 28° /13° | 0 mm | 6 | |
| Sept. 11 | Patchy rain possible | 22° /11° | 1.1 mm | 5 | |
| Sept. 12 | Overcast | 22° /9° | 0 mm | 5 | |
| Sept. 13 | Overcast | 25° /10° | 0.3 mm | 6 | |
| Sept. 14 | Patchy rain possible | 24° /8° | 1.8 mm | 6 | |
| Sept. 15 | Overcast | 23° /8° | 0 mm | 5 | |
| Sept. 16 | Overcast | 27° /9° | 0.2 mm | 6 | |
| Sept. 17 | Light rain | 23° /11° | 3.4 mm | 6 | |
| Sept. 18 | Patchy rain possible | 23° /10° | 0.8 mm | 5 | |
| Sept. 19 | Sunny | 27° /10° | 0 mm | 6 | |
| Sept. 20 | Overcast | 27° /12° | 0 mm | 5 | |
| Sept. 21 | Sunny | 24° /11° | 0 mm | 4 | |
| Sept. 22 | Overcast | 27° /10° | 0 mm | 5.9 | |
| Sept. 23 | Sunny | 29° /12° | 0 mm | 5.8 | |
| Sept. 24 | Sunny | 32° /13° | 0.9 mm | 5.7 | |
| Sept. 25 | Patchy rain possible | 22° /13° | 1.4 mm | 4 | |
| Sept. 26 |  Partly cloudy | 24° /9° | 0 mm | 5 | |
| Sept. 27 | Sunny | 26° /10° | 0 mm | 5.4 | |
| Sept. 28 | Sunny | 25° /10° | 0 mm | 5.3 | |
| Sept. 29 | Partly cloudy | 22° /9° | 0 mm | 5 | |
| Sept. 30 | Sunny | 24° /8° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Grants Pass 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 Grants Pass forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grants Pass in September - FAQ
What are the expected maximum and minimum temperatures in Grants Pass during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grants Pass during September?
In September, Grants Pass can expect light to moderate rainfall, totaling 39.1 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grants Pass during September?
The average wind speed in Grants Pass during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Grants Pass
Explore the daily rainfall trends and prepare for Grants Passs September weather 💧
Typically, Grants Pass has 4 rainy days in September with a total of 39.1 mm of rainfall.
UV exposure in Grants Pass during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Grants Pass?Get accurate weather forecasts for Grants Pass, located at latitude 42.439 and longitude -123.331. Stay updated with localized weather information tailored for Grants Pass.
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