Rosslare Weather in September

In Rosslare, September brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 14°C (57°F). Expect quite a bit of rainfall this month.

Rainfall in Rosslare in September

Rain is expected on roughly 15 days, totalling around 81 mm (3.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Rosslare in September

Daytime temperatures in Rosslare reach 17°C (63°F) in September, dropping to 14°C (57°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rosslare in September

With about 144 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Rosslare in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in September

The water is 15°C (59°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Rosslare.