Weather in Corner Brook for September 2026
Until now, September 2026 in Corner Brook has been significantly cooler than historical averages by 5.5 °C, with average temperature of 13.1 °C.
The forecast for the next days in Corner Brook predicts a temperature of 13.4 °C, which is cooler than the historical average.
In general, the average temperature in Corner Brook at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14 °C by the end of September.
Corner Brook in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 103.5 mm.
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Corner Brook Weather September
Temperatures trend during September in Corner Brook
September weather in Corner Brook day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Fog | 17° /7° | 0.7 mm | 4 | |
| 2 Sept. |  Sunny | 20° /8° | 0.8 mm | 5 | |
| 3 Sept. |  Cloudy | 18° /7° | 1 mm | 5 | |
| 4 Sept. | Mist | 19° /7° | 1.7 mm | 4 | |
| 5 Sept. | Mist | 20° /8° | 2.2 mm | 4 | |
| 6 Sept. |  Light rain shower | 21° /11° | 3.4 mm | 5 | |
| 7 Sept. | Light rain shower | 19° /13° | 2.9 mm | 4 | |
| 8 Sept. | Light rain shower | 18° /10° | 10.3 mm | 4 | |
| 9 Sept. |  Moderate or heavy rain shower | 17° /8° | 2.5 mm | 4 | |
| 10 Sept. | Fog | 17° /7° | 2.3 mm | 4 | |
| 11 Sept. |  Heavy rain | 15° /9° | 6.2 mm | 3 | |
| 12 Sept. | Patchy rain possible | 10° /4° | 1.6 mm | 3 | |
| 13 Sept. |  Overcast | 19° /4° | 0 mm | 4.6 | |
| 14 Sept. | Overcast | 15° /9° | 3.5 mm | 1 | |
| 15 Sept. | Sunny | 13° /6° | 0.2 mm | 4.4 | |
| 16 Sept. | Overcast | 18° /6° | 0 mm | 3 | |
| 17 Sept. | Overcast | 13° /7° | 0 mm | 3 | |
| 18 Sept. | Overcast | 14° /5° | 0.2 mm | 3 | |
| 19 Sept. | Patchy rain possible | 12° /6° | 1.9 mm | 3 | |
| 20 Sept. | Patchy rain possible | 14° /7° | 1.3 mm | 3 | |
| 21 Sept. | Patchy rain possible | 8° /4° | 0.5 mm | 2 | |
| 22 Sept. | Overcast | 10° /5° | 0 mm | 3 | |
| 23 Sept. | Sunny | 15° /4° | 0 mm | 5 | |
| 24 Sept. | Mist | 13° /7° | 0 mm | 3 | |
| 25 Sept. | Light rain shower | 13° /6° | 2.2 mm | 2 | |
| 26 Sept. | Cloudy | 16° /5° | 8.9 mm | 4 | |
| 27 Sept. | Overcast | 14° /5° | 0 mm | 3 | |
| 28 Sept. | Fog | 14° /6° | 0 mm | 3 | |
| 29 Sept. | Mist | 15° /6° | 4.8 mm | 3 | |
| 30 Sept. | Fog | 13° /5° | 1 mm | 3 | |
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Corner Brook in September - FAQ
What are the expected maximum and minimum temperatures in Corner Brook during September?
How much rainfall should be expected in Corner Brook during September?
What are the typical wind conditions in Corner Brook during September?
September rainfall patterns in Corner Brook
UV exposure in Corner Brook during September
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Where is Corner Brook?Get accurate weather forecasts for Corner Brook, located at latitude 48.95 and longitude -57.952. Stay updated with localized weather information tailored for Corner Brook.