Castlerea Weather in September

September in Castlerea sees daytime temperatures around 18°C (64°F) and lows of 10°C (50°F) at night. With around 87 mm (3.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Castlerea in September

Climate statistics over the past 30 years suggest around 20 days of rain, with 87 mm (3.4 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Castlerea in September

Temperatures in Castlerea in September top out at 18°C (64°F) and drop to 10°C (50°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Castlerea in September

The month has fewer sunny days, with around 93 hours of sunshine.

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