When to go · Letterkenny
Letterkenny in September
Great month. Inside Letterkenny's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 16°C61°F / 9°C48°F
- average high / low
- Rain days
- 17
- Crowds
- Medium
- Ireland overall
- Prices
- Medium
- Ireland overall
Verdict
GreatBest and avoid months for Letterkenny
Inside Letterkenny's best window: May–Sep.
Weather in September
- LetterkennyHighs around 16 °C, lows around 9 °C, rain on about 17 daysHighs around 61 °F, lows around 48 °F, rain on about 17 days
Crowds and prices
- Crowds · Ireland overall
- Medium
- Prices · Ireland overall
- Medium
Ireland overall: Schools back, sea at its warmest, often settled weather: a strong month for driving the coast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast