Letterfrack Weather in September

September in Letterfrack averages 17°C (63°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 118 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Letterfrack in September

Past climate data indicates that roughly 21 days will see rain, totalling around 118 mm (4.6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Letterfrack in September

Temperatures in Letterfrack in September top out at 17°C (63°F) and drop to 11°C (52°F) overnight. Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Letterfrack in September

The city usually sees around 93 hours of sunlight, indicating fewer sunny days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Letterfrack.