Hamilton Weather in September

During September, Hamilton experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 18°C (64°F). Expect quite a bit of rainfall. Around 75 mm (3 in) is typical.

Rainfall in Hamilton in September

You can expect rain on roughly 6 days based on historical data, averaging 75 mm (3 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Hamilton in September

In September, Hamilton gets very high temperatures, with highs of 32°C (90°F). Nights cool to around 18°C (64°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If your ideal day consists of dry skies and pleasant temperatures, March, April, October and November typically offer the best circumstances for Hamilton.