Killarney Weather in September
Killarney in September
The short of it: Killarney in September averages a high of 21 °C (69 °F) and a low of 7 °C (44 °F), with 45 mm (1.8 in) of rain and about 12 h 31 min of daylight. Rated 5 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 7° · rain 45 mm · daylight 12 h 31 min
✦✦✦✦✦ Recommended for a visit · best months: September & June
Thirty years of records give Killarney an average September high of 21°, a low of 7° and some 45 mm of rain. Highs fall 5° against August, to near 21°; nights run about 7°. Rain is modest, about 45 mm, the 6th wettest month.
The sun is up for about 12 h 31 min in mid-September, 112 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; it is the best month of the year to come.
Against its neighbours, Killarney runs warmer than most and drier than most in September. Boissevain, 29 km to the W, sees much the same highs.
September in Killarney, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 5° colder, 32 mm less rain
- Versus October
- 9° warmer
- Day–night spread
- 14°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 31 min
- Average wind
- 15 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BoissevainManitoba | 29 km W | 21° | 6° | 41 mm |
| RollaNorth Dakota | 36 km S | 21° | 6° | 52 mm |
| Green AcresNorth Dakota | 38 km S | 20° | 7° | 51 mm |
| BelcourtNorth Dakota | 39 km S | 20° | 7° | 51 mm |
| Shell ValleyNorth Dakota | 45 km SSW | 20° | 6° | 52 mm |
| DunseithNorth Dakota | 50 km SW | 21° | 6° | 50 mm |
| RoletteNorth Dakota | 60 km SSW | 21° | 7° | 50 mm |
| DeloraineManitoba | 60 km W | 21° | 7° | 39 mm |