Sandpoint (ID)
September
Weather in Sandpoint, Idaho for September 2027
Your guide to Sandpoint weather in September - trends and predictions
In general, the average temperature in Sandpoint at the beginning of September is 26.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.8 °C by the end of September.
Sandpoint experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 121.3 mm.
Is September a good time to visit Sandpoint? check out the best time to travel to Sandpoint page.
✨ Is September a good time to visit Sandpoint? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
22°/11°
Temperatures
9 km/h
Avg max wind
54 %
Avg humidity
Sandpoint Weather September
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Temperatures trend during September in Sandpoint
See the weather trend as well as the moving average line
September weather in Sandpoint day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 31° /16° | 0.2 mm | 6 | |
| Sept. 2 |  Heavy rain | 27° /15° | 39.4 mm | 6 | |
| Sept. 3 |  Moderate rain | 25° /14° | 12.9 mm | 5 | |
| Sept. 4 | Moderate rain | 23° /13° | 14.4 mm | 5 | |
| Sept. 5 |  Sunny | 25° /10° | 0 mm | 6.1 | |
| Sept. 6 | Sunny | 28° /12° | 0.6 mm | 6 | |
| Sept. 7 |  Light rain | 24° /13° | 5.2 mm | 5 | |
| Sept. 8 | Moderate rain | 26° /12° | 21.8 mm | 5 | |
| Sept. 9 | Sunny | 25° /12° | 0 mm | 5.7 | |
| Sept. 10 |  Patchy rain possible | 25° /13° | 1.4 mm | 5 | |
| Sept. 11 |  Heavy rain at times | 18° /12° | 5.1 mm | 3 | |
| Sept. 12 | Light rain | 18° /11° | 6.3 mm | 3 | |
| Sept. 13 | Light rain | 20° /10° | 4.3 mm | 4 | |
| Sept. 14 | Patchy rain possible | 16° /8° | 2.4 mm | 3 | |
| Sept. 15 | Patchy rain possible | 18° /9° | 0.1 mm | 3 | |
| Sept. 16 | Sunny | 23° /9° | 0 mm | 5.1 | |
| Sept. 17 | Patchy rain possible | 22° /11° | 0.1 mm | 5 | |
| Sept. 18 |  Overcast | 23° /11° | 0 mm | 4.9 | |
| Sept. 19 | Overcast | 24° /11° | 0 mm | 4.8 | |
| Sept. 20 | Sunny | 23° /12° | 0 mm | 4.7 | |
| Sept. 21 | Overcast | 21° /10° | 0 mm | 4 | |
| Sept. 22 | Overcast | 20° /9° | 0 mm | 3 | |
| Sept. 23 | Sunny | 22° /9° | 0 mm | 4.4 | |
| Sept. 24 | Sunny | 24° /11° | 0 mm | 4.4 | |
| Sept. 25 | Light rain | 23° /11° | 4 mm | 4.3 | |
| Sept. 26 | Partly cloudy | 16° /8° | 0.6 mm | 4.2 | |
| Sept. 27 | Overcast | 17° /7° | 0 mm | 3 | |
| Sept. 28 |  Cloudy | 20° /8° | 0 mm | 4 | |
| Sept. 29 | Patchy rain possible | 16° /9° | 0.1 mm | 3 | |
| Sept. 30 | Patchy rain possible | 15° /8° | 2.4 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Sandpoint 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 Sandpoint forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sandpoint in September - FAQ
What are the expected maximum and minimum temperatures in Sandpoint during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sandpoint during September?
Significant rainfall exceeding 121.3 mm is expected in Sandpoint during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sandpoint during September?
The average wind speed in Sandpoint during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Sandpoint
Explore the daily rainfall trends and prepare for Sandpoints September weather 💧
Typically, Sandpoint has 6 rainy days in September with a total of 121.3 mm of rainfall.
UV exposure in Sandpoint during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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