Killarney Weather in September
Killarney in September
The short of it: Killarney in September averages a high of 17 °C (63 °F) and a low of 11 °C (51 °F), with 100 mm (3.9 in) of rain and about 12 h 34 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 17° · low 11° · rain 100 mm · daylight 12 h 34 min
✦✦✦ Fair for a visit · best months: August & July
Thirty years of records give Killarney an average September high of 17°, a low of 11° and some 100 mm of rain. Much like August: highs about 17°, nights near 11°. A wool coat will serve you well. Wet spells are common — about 100 mm, the 7th wettest month.
The sun is up for about 12 h 34 min in mid-September, 125 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, Killarney runs cooler than most and drier than most in September. Baile an Mhuilinn, 17 km to the NW, sees much the same highs.
September in Killarney, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 7th wettest of 12
- Versus August
- 1° colder, 2.0 mm more rain
- Versus October
- 3° warmer
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 34 min
- Average wind
- 14 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Baile an MhuilinnMunster | 17 km NW | 17° | 11° | 131 mm |
| KillorglinMunster | 19 km WNW | 17° | 11° | 130 mm |
| CastleislandMunster | 20 km N | 17° | 10° | 109 mm |
| RathmoreMunster | 20 km E | 16° | 10° | 95 mm |
| KenmareMunster | 20 km SSW | 17° | 10° | 108 mm |
| TraleeMunster | 27 km NNW | 17° | 11° | 132 mm |
| MillstreetMunster | 31 km E | 17° | 10° | 81 mm |
| AbbeyfealeMunster | 38 km NNE | 17° | 10° | 103 mm |