Dundalk Weather in September
Dundalk in September
The short of it: Dundalk in September averages a high of 20 °C (67 °F) and a low of 9 °C (48 °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 August and July. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 9° · rain 91 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: August & July
September in Dundalk brings afternoons near 20° and nights around 9°, with about 91 mm of rain over the month. Much like August: highs about 20°, nights near 9°. Easy travelling weather. Wet spells are common — about 91 mm, the 8th 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 layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are August and July.
Against its neighbours, Dundalk runs cooler than most and wetter than most in September. Orangeville, 36 km to the SE, is 1° warmer by day.
September in Dundalk, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 8th wettest of 12
- Versus August
- 4° colder, 9.0 mm more rain
- Versus October
- 7° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 13 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| OrangevilleOntario | 36 km SE | 21° | 10° | 80 mm |
| CollingwoodOntario | 38 km NNE | 21° | 11° | 84 mm |
| AllistonOntario | 42 km E | 22° | 10° | 74 mm |
| CaledonOntario | 46 km SE | 21° | 10° | 76 mm |
| Wasaga BeachOntario | 49 km NE | 21° | 11° | 84 mm |
| FergusOntario | 51 km S | 21° | 10° | 84 mm |
| InnisfilOntario | 61 km ENE | 22° | 11° | 84 mm |
| BoltonOntario | 61 km ESE | 22° | 11° | 69 mm |