Amherst Weather in September

Thinking of visiting Amherst in September? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Amherst in September

Historically, approximately 12 days this month are expected to have rain, averaging 101 mm (4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Amherst in September

In September, Amherst gets high temperatures, with highs of 23°C (73°F). Nights cool to around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 13°C (55°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 Amherst in September

The city usually sees around 206 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, May, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.