Roslyn Weather in September

September in Roslyn brings high temperatures, with daytime highs of 25°C (77°F) and nights around 16°C (61°F). Quite a bit of rainfall is expected, around 89 mm (3.5 in), so pack an umbrella.

Rainfall in Roslyn in September

Analyzing past climate data, one can expect approximately 8 days of rain, averaging 89 mm (3.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Roslyn in September

Roslyn in September has excellent weather. Days reach 25°C (77°F) and nights cool to 16°C (61°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 16°C (61°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 Roslyn in September

The city usually sees around 218 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Roslyn 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 20°C (68°F) this month, a comfortable temperature that most swimmers enjoy. Warm enough to stay in without getting cold quickly.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Roslyn.