September in Orem averages a daily high of 28.4°C with nights around 11.4°C. Expect roughly 5.9 wet days totalling 29.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Orem is September–October.
Based on PROVO BYU, UT US (6.8km), 1995–2024. 30 years of September data.