Sylvan Lake in September
7.4out of 10
Possible, with caveats
Mild: highs around 18°C. Some rain: about 8 rainy days.
18°CAvg high
5°CAvg low
8Rainy days (43 mm)
12:23 hDaylight
07:19Sunrise · 19:42 Sunset
Why this score
- Mild: highs around 18°C
- Some rain: about 8 rainy days
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rain in September varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -5°C | -14°C | 17 mm | 5 | – | – | 4.4 |
| February | -2°C | -12°C | 11 mm | 3 | – | – | 4.6 |
| March | 3°C | -8°C | 20 mm | 5 | – | – | 4.6 |
| April | 11°C | -2°C | 32 mm | 7 | – | – | 6.1 |
| May | 17°C | 4°C | 63 mm | 10 | – | – | 6.9 |
| June | 20°C | 8°C | 91 mm | 14 | – | – | 6.8 |
| July | 23°C | 10°C | 84 mm | 14 | – | – | 7.2 |
| August | 23°C | 9°C | 69 mm | 10 | – | – | 7.7 |
| September | 18°C | 5°C | 43 mm | 8 | – | – | 7.4 |
| October | 10°C | -1°C | 25 mm | 5 | – | – | 6.3 |
| November | 1°C | -7°C | 21 mm | 5 | – | – | 4.4 |
| December | -4°C | -13°C | 15 mm | 5 | – | – | 4.4 |
Frequently asked questions
How hot is Sylvan Lake in September?
Daytime highs average 18°C and nights about 5°C.
When is the best time to visit Sylvan Lake?
The best months are August, September, July.