Clemson Weather in September

In Clemson, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 18°C (64°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Clemson in September

Take advantage of the dry conditions this month, with minimal rain expected. You can expect rain on roughly 8 days based on historical data, averaging 82 mm (3.2 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Clemson in September

Weather in Clemson is at its excellent in September. Highs reach 29°C (84°F), while nights settle around 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, September and October typically offer the best weather for Clemson.