Weather in Regional District of Nanaimo for September 2025
Until now, September 2025 in Regional District of Nanaimo has been nearly identical to the historical average, with a temperature of 20.4 °C (showing only a slight deviation of 0.4 °C).
Expect cooler weather in the next days in Regional District of Nanaimo with the forecast suggesting a temperature of 16.8 °C, lower than the historical average.
In general, the average temperature in Regional District of Nanaimo at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °C by the end of September.
Regional District of Nanaimo experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 62.2 mm.
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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° /15° | 0 mm | 6 | |
| 2 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 3 Sept. |  Patchy rain possible | 20° /14° | 0.1 mm | 5 | |
| 4 Sept. | Sunny | 22° /14° | 0 mm | 6 | |
| 5 Sept. |  Mist | 23° /16° | 0 mm | 6 | |
| 6 Sept. | Mist | 22° /15° | 0 mm | 5 | |
| 7 Sept. | Mist | 21° /14° | 8 mm | 5 | |
| 8 Sept. | Mist | 18° /13° | 11.7 mm | 5 | |
| 9 Sept. | Mist | 18° /12° | 0 mm | 4 | |
| 10 Sept. |  Cloudy | 20° /13° | 0 mm | 5 | |
| 11 Sept. | Mist | 17° /11° | 0.6 mm | 4 | |
| 12 Sept. |  Light rain | 16° /11° | 0.9 mm | 4 | |
| 13 Sept. | Fog | 17° /12° | 0.1 mm | 4 | |
| 14 Sept. | Mist | 19° /11° | 3 mm | 4 | |
| 15 Sept. | Sunny | 19° /12° | 0 mm | 5 | |
| 16 Sept. | Sunny | 25° /16° | 0 mm | 1.2 | |
| 17 Sept. | Sunny | 22° /16° | 0 mm | 1.1 | |
| 18 Sept. | Sunny | 22° /13° | 0 mm | 1 | |
| 19 Sept. | Sunny | 19° /12° | 0 mm | 1.1 | |
| 20 Sept. |  Moderate rain | 15° /11° | 6.6 mm | 0 | |
| 21 Sept. | Patchy rain possible | 18° /13° | 0.5 mm | 3 | |
| 22 Sept. | Moderate rain | 15° /11° | 7.4 mm | 3 | |
| 23 Sept. |  Partly cloudy | 16° /10° | 0 mm | 4 | |
| 24 Sept. | Patchy rain possible | 15° /11° | 4.3 mm | 3 | |
| 25 Sept. | Patchy rain possible | 14° /9° | 4.4 mm | 3 | |
| 26 Sept. | Patchy rain possible | 13° /9° | 1.4 mm | 3 | |
| 27 Sept. | Patchy rain possible | 12° /8° | 0.8 mm | 2 | |
| 28 Sept. | Patchy rain possible | 12° /8° | 0.1 mm | 2 | |
| 29 Sept. | Cloudy | 14° /7° | 0 mm | 4 | |
| 30 Sept. | Partly cloudy | 13° /8° | 0 mm | 4 | |
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Regional District of Nanaimo in September - FAQ
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.