South Plainfield Weather in September

South Plainfield in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 92 mm (3.6 in) on average, so pack waterproofs just in case.

Rainfall in South Plainfield in September

Historically, approximately 8 days this month are expected to have rain, averaging 92 mm (3.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in South Plainfield in September

If you're visiting South Plainfield in September, expect excellent temperatures with highs of 26°C (79°F) and overnight lows of 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 14°C (57°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.

Sunshine in South Plainfield in September

With approximately 218 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for South Plainfield.