Weather in Regional District of Nanaimo for September 2026
So far, September 2026 in Regional District of Nanaimo is slightly warmer than the historical average by 1.2 °C.
Expect cooler weather in the next days in Regional District of Nanaimo with the forecast suggesting a temperature of 18.6 °C, lower than the historical average.
In general, the average temperature in Regional District of Nanaimo at the beginning of September is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.3 °C by the end of September.
The climate of Regional District of Nanaimo in September is notably wet, with an average of 13 rainy days, and a total of 71.7 mm of precipitation.
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Regional District of Nanaimo Weather September
Temperatures trend during September in Regional District of Nanaimo
September weather in Regional District of Nanaimo day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 23° /14° | 0 mm | 6 | |
| 2 Sept. | Sunny | 23° /14° | 2.4 mm | 5 | |
| 3 Sept. |  Patchy rain possible | 20° /13° | 2.8 mm | 4 | |
| 4 Sept. | Sunny | 22° /13° | 0 mm | 5 | |
| 5 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 6 Sept. | Sunny | 23° /14° | 0 mm | 5 | |
| 7 Sept. |  Mist | 21° /13° | 6 mm | 5 | |
| 8 Sept. | Sunny | 20° /12° | 8.8 mm | 5 | |
| 9 Sept. | Mist | 19° /12° | 0 mm | 4 | |
| 10 Sept. |  Cloudy | 21° /12° | 0 mm | 5 | |
| 11 Sept. |  Overcast | 18° /10° | 0 mm | 2.8 | |
| 12 Sept. | Overcast | 22° /12° | 0 mm | 3.9 | |
| 13 Sept. | Sunny | 17° /11° | 0 mm | 4.9 | |
| 14 Sept. | Overcast | 16° /11° | 0 mm | 4.2 | |
| 15 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 16 Sept. | Sunny | 21° /13° | 0 mm | 6 | |
| 17 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 18 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 19 Sept. | Sunny | 19° /14° | 0 mm | 5 | |
| 20 Sept. | Sunny | 17° /11° | 0 mm | 5 | |
| 21 Sept. |  Partly cloudy | 16° /11° | 0.6 mm | 5 | |
| 22 Sept. | Sunny | 15° /8° | 0 mm | 4 | |
| 23 Sept. | Sunny | 19° /8° | 0 mm | 5 | |
| 24 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 25 Sept. | Overcast | 15° /10° | 10.4 mm | 3 | |
| 26 Sept. | Light rain shower | 14° /10° | 5.3 mm | 3 | |
| 27 Sept. |  Light rain | 15° /11° | 8.3 mm | 4 | |
| 28 Sept. | Overcast | 15° /9° | 1 mm | 3 | |
| 29 Sept. | Cloudy | 15° /8° | 1.8 mm | 4 | |
| 30 Sept. | Partly cloudy | 14° /8° | 5.4 mm | 4 | |
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Regional District of Nanaimo in September - FAQ
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September rainfall patterns in Regional District of Nanaimo
UV exposure in Regional District of Nanaimo during September
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Where is Regional District of Nanaimo?Get accurate weather forecasts for Regional District of Nanaimo, located at latitude 49.166 and longitude -123.94. Stay updated with localized weather information tailored for Regional District of Nanaimo.