Weather in Walnut Grove for September 2025
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Until now, September 2025 in Walnut Grove is slightly cooler than the historical average by -1.4 °C.
Expect cooler weather in the next days in Walnut Grove with the forecast suggesting a temperature of 19.2 °C, lower than the historical average.
In general, the average temperature in Walnut Grove at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °C by the end of September.
The climate of Walnut Grove in September is notably wet, with an average of 11 rainy days, and a total of 143.5 mm of precipitation.
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Walnut Grove Weather September
Temperatures trend during September in Walnut Grove
September weather in Walnut Grove day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 25° /13° | 0 mm | 6 | |
| 2 Sept. | Partly cloudy | 26° /14° | 0 mm | 6 | |
| 3 Sept. |  Light rain shower | 22° /14° | 0.4 mm | 5 | |
| 4 Sept. |  Fog | 24° /13° | 0.2 mm | 6 | |
| 5 Sept. |  Sunny | 28° /15° | 0 mm | 7 | |
| 6 Sept. | Partly cloudy | 26° /14° | 0 mm | 6 | |
| 7 Sept. | Partly cloudy | 23° /13° | 9.3 mm | 6 | |
| 8 Sept. |  Cloudy | 22° /13° | 0 mm | 5 | |
| 9 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 10 Sept. |  Overcast | 20° /13° | 0 mm | 4 | |
| 11 Sept. |  Light drizzle | 17° /12° | 0.1 mm | 4 | |
| 12 Sept. | Mist | 18° /10° | 0 mm | 4 | |
| 13 Sept. | Fog | 18° /12° | 0.8 mm | 4 | |
| 14 Sept. | Partly cloudy | 20° /10° | 3.9 mm | 5 | |
| 15 Sept. | Partly cloudy | 21° /12° | 0 mm | 0.8 | |
| 16 Sept. | Sunny | 30° /13° | 0 mm | 1.1 | |
| 17 Sept. | Sunny | 22° /15° | 0 mm | 1 | |
| 18 Sept. | Sunny | 22° /12° | 0 mm | 1 | |
| 19 Sept. | Sunny | 21° /12° | 0 mm | 0 | |
| 20 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 21 Sept. | Patchy rain possible | 16° /12° | 1.1 mm | 3 | |
| 22 Sept. |  Moderate rain | 16° /12° | 6.8 mm | 3 | |
| 23 Sept. | Patchy rain possible | 18° /11° | 0.6 mm | 3 | |
| 24 Sept. | Partly cloudy | 16° /9° | 0 mm | 4 | |
| 25 Sept. | Patchy rain possible | 14° /9° | 3.3 mm | 3 | |
| 26 Sept. | Patchy rain possible | 17° /7° | 0.1 mm | 3 | |
| 27 Sept. | Partly cloudy | 16° /9° | 0.1 mm | 4 | |
| 28 Sept. |  Moderate or heavy rain with thunder | 13° /8° | 10.8 mm | 4 | |
| 29 Sept. | Partly cloudy | 14° /6° | 0 mm | 4 | |
| 30 Sept. | Cloudy | 16° /4° | 0 mm | 5 | |
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Walnut Grove in September - FAQ
September rainfall patterns in Walnut Grove
UV exposure in Walnut Grove during September
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Where is Walnut Grove?Get accurate weather forecasts for Walnut Grove, located at latitude 49.165 and longitude -122.64. Stay updated with localized weather information tailored for Walnut Grove.