Nanaimo Weather: September
 |
Average Day Temperature: | 66.3°F |
|
Average Night Temperature: | 58.5°F |
|
Sea Water Temperature: | 62.0°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.7 - 13.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.3 in | |
| detailed information | ||
forecast
| Nanaimo |
Temperature
| Nanaimo |
Air Temperature in September, °F
The highest day temperature in September 2025 was 81°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 69.3°F и 59.1°F respectivly.
Nanaimo Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Nanaimo was 63.1°F. The maximum and minimum values were 58.2°F and 67.6°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Nanaimo is 1.3 in.
The average wind speed in September is 4.8 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nanaimo in September is 7.8 hours.
Nanaimo on the Weather Map
| Halifax |  |
+12 |
| Kingston |  |
+4 |
| Moncton | |
-6 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-4 |
| Prince Edward Island |  |
+6 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+28 |
| St. John's | |
+32 |
| Sydney | |
+24 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+12 |
| 0000 |  |
42°F | W 3 mph |
| 0300 | |
42°F | W 5 mph |
| 0600 | |
44°F | NW 6 mph |
| 0900 | |
46°F | NW 6 mph |
| 1200 | |
48°F | NW 5 mph |
| 1500 |  |
52°F | W 2 mph |
| 1800 |  |
50°F | N 3 mph |
| 2100 | |
48°F | NE 9 mph |