Official forecasts from the National Weather Service place the daily high near 84°F at Los Angeles International Airport under sunny skies and light southwest winds, supporting the market’s tight clustering around the 80–85°F range. Clear conditions and minimal marine-layer influence allow stronger daytime solar heating than the September average of roughly 75–76°F, while afternoon onshore flow and urban heat-island effects create modest differences between coastal and inland readings. Recent model consensus shows little change in this outlook, with peak temperatures most likely occurring in the early-to-mid afternoon; traders appear to weigh the balance between slightly cooler coastal stations and warmer downtown or valley locations when assigning the narrow 35.5 % edge to 82–83°F.