Trim Weather in September
Trim in September
The short of it: Trim in September averages a high of 17 °C (63 °F) and a low of 9 °C (48 °F), with 90 mm (3.5 in) of rain and about 12 h 35 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 9° · rain 90 mm · daylight 12 h 35 min
✦✦✦ Fair for a visit · best months: July & August
September in Trim brings afternoons near 17° and nights around 9°, with about 90 mm of rain over the month. Much like August: highs about 17°, nights near 9°. A wool coat will serve you well. Wet spells are common — about 90 mm, the 6th wettest month.
The sun is up for about 12 h 35 min in mid-September, 132 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 July and August.
Against its neighbours, Trim runs warmer than most and wetter than most in September. Navan, 13 km to the NNE, sees much the same highs.
September in Trim, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 2° colder, 7.0 mm less rain
- Versus October
- 4° warmer
- Day–night spread
- 8°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 35 min
- Average wind
- 10 km/h