Weather in Cowichan Valley Regional District for September 2026
So far, September 2026 in Cowichan Valley Regional District is slightly warmer than the historical average by 1.9 °C.
Expect cooler weather in the next days in Cowichan Valley Regional District with the forecast suggesting a temperature of 18.8 °C, lower than the historical average.
In general, the average temperature in Cowichan Valley Regional District at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.7 °C by the end of September.
The climate of Cowichan Valley Regional District in September is notably wet, with an average of 12 rainy days, and a total of 55.6 mm of precipitation.
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Cowichan Valley Regional District Weather September
Temperatures trend during September in Cowichan Valley Regional District
September weather in Cowichan Valley Regional District day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 21° /13° | 0 mm | 6 | |
| 2 Sept. |  Cloudy | 20° /13° | 1.8 mm | 4 | |
| 3 Sept. |  Patchy rain possible | 20° /13° | 0.5 mm | 4 | |
| 4 Sept. |  Mist | 19° /12° | 0 mm | 4 | |
| 5 Sept. |  Sunny | 22° /12° | 0 mm | 6 | |
| 6 Sept. | Sunny | 21° /12° | 0 mm | 5 | |
| 7 Sept. | Sunny | 20° /13° | 11.9 mm | 5 | |
| 8 Sept. | Sunny | 20° /12° | 0 mm | 5 | |
| 9 Sept. | Fog | 19° /12° | 0 mm | 4 | |
| 10 Sept. |  Overcast | 19° /12° | 0 mm | 5 | |
| 11 Sept. | Overcast | 17° /10° | 0 mm | 3.3 | |
| 12 Sept. | Overcast | 20° /12° | 0 mm | 3.4 | |
| 13 Sept. | Sunny | 20° /10° | 0 mm | 4.8 | |
| 14 Sept. | Overcast | 17° /11° | 0 mm | 4.1 | |
| 15 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 16 Sept. | Sunny | 21° /12° | 0 mm | 6 | |
| 17 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
| 18 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 19 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 20 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 21 Sept. | Partly cloudy | 15° /11° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 15° /9° | 0.1 mm | 4 | |
| 23 Sept. | Sunny | 17° /8° | 0 mm | 5 | |
| 24 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 25 Sept. | Light rain shower | 15° /11° | 3.9 mm | 4 | |
| 26 Sept. |  Light drizzle | 14° /10° | 3.5 mm | 3 | |
| 27 Sept. | Light drizzle | 14° /11° | 3.5 mm | 4 | |
| 28 Sept. | Overcast | 14° /10° | 0.8 mm | 3 | |
| 29 Sept. | Cloudy | 14° /9° | 3.1 mm | 4 | |
| 30 Sept. | Sunny | 13° /9° | 1.1 mm | 4 | |
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Cowichan Valley Regional District in September - FAQ
What are the expected maximum and minimum temperatures in Cowichan Valley Regional District during September?
How much rainfall should be expected in Cowichan Valley Regional District during September?
What are the typical wind conditions in Cowichan Valley Regional District during September?
September rainfall patterns in Cowichan Valley Regional District
UV exposure in Cowichan Valley Regional District during September
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Where is Cowichan Valley Regional District?Get accurate weather forecasts for Cowichan Valley Regional District, located at latitude 48.783 and longitude -123.703. Stay updated with localized weather information tailored for Cowichan Valley Regional District.