Penticton in September
7.8out of 10
Yes, a good time to go
Mild: highs around 20°C. Some rain: about 7 rainy days.
20°CAvg high
9°CAvg low
7Rainy days (36 mm)
12:21 hDaylight
06:42Sunrise · 19:03 Sunset
Why this score
- Mild: highs around 20°C
- Some rain: about 7 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 (±3.7 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 | -1°C | -6°C | 58 mm | 12 | – | – | 3.4 |
| February | 2°C | -5°C | 45 mm | 10 | – | – | 4.0 |
| March | 6°C | -2°C | 62 mm | 13 | – | – | 4.4 |
| April | 11°C | 1°C | 50 mm | 11 | – | – | 5.8 |
| May | 17°C | 5°C | 55 mm | 10 | – | – | 7.0 |
| June | 20°C | 8°C | 55 mm | 10 | – | – | 7.5 |
| July | 25°C | 11°C | 27 mm | 5 | – | – | 8.4 |
| August | 25°C | 12°C | 22 mm | 5 | – | – | 8.5 |
| September | 20°C | 9°C | 36 mm | 7 | – | – | 7.8 |
| October | 11°C | 3°C | 62 mm | 11 | – | – | 5.8 |
| November | 3°C | -2°C | 83 mm | 15 | – | – | 3.8 |
| December | -1°C | -6°C | 68 mm | 13 | – | – | 3.3 |
Frequently asked questions
How hot is Penticton in September?
Daytime highs average 20°C and nights about 9°C.
When is the best time to visit Penticton?
The best months are August, July.