Gananoque Weather in September
Gananoque in September
The short of it: Gananoque in September averages a high of 21 °C (70 °F) and a low of 11 °C (51 °F), with 91 mm (3.6 in) of rain and about 12 h 27 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 11° · rain 91 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: June & September
Thirty years of records give Gananoque an average September high of 21°, a low of 11° and some 91 mm of rain. The year turns hard here: highs drop 4° from August to about 21°, with nights near 11°. Wet spells are common — about 91 mm, the 4th wettest month.
The sun is up for about 12 h 27 min in mid-September, 94 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Gananoque runs cooler than most and wetter than most in September. Clayton, 12 km to the SSE, sees much the same highs.
September in Gananoque, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 1.0 mm less rain
- Versus October
- 7° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ClaytonNew York | 12 km SSE | 21° | 11° | 88 mm |
| Alexandria BayNew York | 20 km E | 21° | 11° | 88 mm |
| Greenwood/St. Lawrence SouthOntario | 23 km WSW | 22° | 11° | 90 mm |
| CFB KingstonOntario | 24 km WSW | 22° | 12° | 86 mm |
| Cataraqui River EastOntario | 25 km WSW | 22° | 11° | 90 mm |
| Markers AcresOntario | 26 km WSW | 22° | 11° | 88 mm |
| Rideau HeightsOntario | 27 km WSW | 22° | 11° | 88 mm |
| Inner HarbourOntario | 27 km WSW | 22° | 12° | 85 mm |