Maynooth Weather in September
Maynooth in September
The short of it: Maynooth in September averages a high of 17 °C (63 °F) and a low of 9 °C (48 °F), with 78 mm (3.1 in) of rain and about 12 h 35 min of daylight. Rated 3 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 9° · rain 78 mm · daylight 12 h 35 min
✦✦✦ Fair for a visit · best months: June & July
Thirty years of records give Maynooth an average September high of 17°, a low of 9° and some 78 mm of rain. Much like August: highs about 17°, nights near 9°. A wool coat will serve you well. Wet spells are common — about 78 mm, the 5th wettest month.
The sun is up for about 12 h 35 min in mid-September, 131 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 June and July.
Against its neighbours, Maynooth runs cooler than most and wetter than most in September. Celbridge, 6 km to the SE, sees much the same highs.
September in Maynooth, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 2° colder, 5.0 mm less rain
- Versus October
- 3° warmer
- Day–night spread
- 8°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 35 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| CelbridgeLeinster | 6 km SE | 17° | 9° | 77 mm |
| LeixlipLeinster | 7 km ESE | 18° | 9° | 71 mm |
| LucanLeinster | 10 km ESE | 18° | 9° | 70 mm |
| BlanchardstownLeinster | 14 km E | 18° | 9° | 71 mm |
| ClondalkinLeinster | 15 km ESE | 18° | 9° | 71 mm |
| PalmerstownLeinster | 15 km ESE | 18° | 9° | 69 mm |
| RatoathLeinster | 16 km NNE | 17° | 9° | 81 mm |
| BallyfermotLeinster | 17 km ESE | 18° | 9° | 67 mm |