Visitors to Lake Havasu City, Arizona in September can expect daytime temperatures that remain quite warm, often exceeding 100F (38C). While the summer’s intense heat begins to subside, nights become more comfortable, typically cooling down to the mid-70sF (low 20sC). The lake itself retains warmth accumulated over the summer, making it ideal for water activities. Rainfall is minimal during this month, contributing to clear skies and abundant sunshine.
This specific period offers a sweet spot for those seeking a balance between warm weather recreation and slightly less intense heat than July or August. The pleasant evenings provide respite from the daytime temperatures and allow for enjoyable outdoor dining and activities. Historically, September marks the beginning of the shoulder season, offering a less crowded experience compared to the peak summer months. This can translate to better availability for accommodations, boat rentals, and other recreational services.