Hamilton Weather in September

September in Hamilton typically sees daytime highs of 17°C (63°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Hamilton in September

Based on our climate data of the past 30 years, about 19 days of rain are anticipated, with 90 mm (3.5 in) on average. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Hamilton in September

Daytime highs in Hamilton in September reach 17°C (63°F), with nights around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Hamilton in September

The month experiences a moderate amount of sunlight, with 117 hours of sunshine. This provides a nice balance between sunshine and clouds.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and July typically offer the best weather for Hamilton.