Newtownabbey Weather in September

September in Newtownabbey brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Newtownabbey in September

Climate statistics over the past 30 years suggest around 18 days of rain, with 85 mm (3.3 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Newtownabbey in September

Temperatures in Newtownabbey in September top out at 17°C (63°F) and drop to 11°C (52°F) overnight. September is in the summer season. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 11°C (52°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 Newtownabbey in September

The month experiences a moderate amount of sunlight, with 109 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Newtownabbey in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

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