Simsbury Weather in September

September in Simsbury brings high temperatures, with highs of 25°C (77°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 95 mm (3.7 in), so keep a rain jacket handy.

Rainfall in Simsbury in September

You can expect rain on roughly 9 days based on historical data, averaging 95 mm (3.7 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Simsbury in September

If you're visiting Simsbury in September, expect excellent temperatures with highs of 25°C (77°F) and overnight lows of 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°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 Simsbury in September

With approximately 223 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

So this is a great month to visit if you prefer dry days with pleasant temperatures.