Weather in La Plata County, Colorado for September 2026
Until now, September 2026 in La Plata County has been nearly identical to the historical average, with a temperature of 22.2 °F (showing only a slight deviation of 0.2 °F).
The forecast for the coming days of September 2026 predicts a temperature of 18.5 °F , which is warmer than usual.
In general, the average temperature in La Plata County at the beginning of September is 24.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.7 °F by the end of September.
The climate of La Plata County in September is notably wet, with an average of 11 rainy days, and a total of 95.3 mm of precipitation.
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La Plata County Weather September
Temperatures trend during September in La Plata County
September weather in La Plata County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy light drizzle | 24° /10° | 1.3 mm | 7 | |
| Sept. 2 | Patchy rain possible | 24° /11° | 0.1 mm | 8 | |
| Sept. 3 | Sunny | 25° /10° | 0 mm | 8 | |
| Sept. 4 | Partly cloudy | 26° /11° | 0.3 mm | 7 | |
| Sept. 5 | Sunny | 25° /11° | 0 mm | 8 | |
| Sept. 6 | Patchy rain possible | 24° /10° | 0.9 mm | 6 | |
| Sept. 7 | Patchy rain possible | 25° /11° | 0.5 mm | 5 | |
| Sept. 8 | Sunny | 26° /11° | 1 mm | 8 | |
| Sept. 9 | Patchy rain possible | 26° /11° | 0 mm | 7 | |
| Sept. 10 | Patchy rain possible | 26° /11° | 0.2 mm | 7 | |
| Sept. 11 | Thundery outbreaks possible | 24° /10° | 4.2 mm | 7 | |
| Sept. 12 | Sunny | 22° /9° | 4.4 mm | 7 | |
| Sept. 13 | Sunny | 22° /9° | 0.1 mm | 6 | |
| Sept. 14 | Sunny | 22° /7° | 11.8 mm | 5 | |
| Sept. 15 | Patchy rain possible | 23° /8° | 2.8 mm | 4 | |
| Sept. 16 | Patchy light rain with thunder | 20° /9° | 10 mm | 4 | |
| Sept. 17 | Torrential rain shower | 19° /9° | 34.7 mm | 4 | |
| Sept. 18 | Sunny | 20° /7° | 2 mm | 4 | |
| Sept. 19 | Sunny | 21° /8° | 1.3 mm | 6 | |
| Sept. 20 | Partly cloudy | 21° /9° | 0 mm | 7 | |
| Sept. 21 | Thundery outbreaks possible | 20° /7° | 0 mm | 5 | |
| Sept. 22 | Moderate or heavy rain shower | 16° /7° | 5.6 mm | 3 | |
| Sept. 23 | Partly cloudy | 19° /6° | 2.5 mm | 4 | |
| Sept. 24 | Sunny | 19° /6° | 0.4 mm | 4 | |
| Sept. 25 | Sunny | 21° /8° | 5 mm | 5 | |
| Sept. 26 | Sunny | 22° /8° | 0.2 mm | 7 | |
| Sept. 27 | Sunny | 22° /9° | 11.1 mm | 4 | |
| Sept. 28 | Sunny | 18° /10° | 24.3 mm | 4 | |
| Sept. 29 | Patchy rain possible | 14° /9° | 1.6 mm | 6.8 | |
| Sept. 30 | Light rain shower | 15° /8° | 12.8 mm | 2.5 | |
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La Plata County in September - FAQ
What are the expected maximum and minimum temperatures in La Plata County during September?
How much rainfall should be expected in La Plata County during September?
What are the typical wind conditions in La Plata County during September?
September rainfall patterns in La Plata County
UV exposure in La Plata County during September
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