Raleigh, North Carolina weather in September

Averages from 2021–2025 (150 days of record).

Average high: 81°F
Average low: 64°F
Rainy days: ~10 per month
Total precipitation: 5.1 in
Warmest recorded: 95°F
Coldest recorded: 50°F

Expect September days in Raleigh, North Carolina to top out around 81°F and cool to about 64°F overnight, with roughly 10 days of measurable rain across the month. In recent years September has ranged from 50°F to 95°F.

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Current Raleigh, North Carolina forecast → · Historical data by Open-Meteo (ERA5).