Decatur Weather in September

Decatur in September sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 18°C (64°F). Rainfall is fairly high this month at around 90 mm (3.5 in), so pack a rain jacket to stay dry.

Rainfall in Decatur in September

Past climate data indicates that roughly 6 days will see rain, totalling around 90 mm (3.5 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Decatur in September

In September, expect very high temperatures in Decatur, with highs of 31°C (88°F) and lows of 18°C (64°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Decatur in September

The days are predominantly sunny, with an estimated total of around 242 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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