September in San Jose, California, typically marks the end of summer and the beginning of fall. This period offers a transition from the hot, dry summer months to cooler, more moderate temperatures. Days are generally warm and sunny, while evenings become noticeably cooler. The region experiences minimal rainfall during this month, contributing to the overall dry climate.
Understanding the typical climate conditions during this time is valuable for a variety of purposes. Visitors can plan activities and pack accordingly, taking advantage of the warm days for outdoor pursuits. Residents can anticipate the shift in weather patterns and prepare for the upcoming autumn season. Historical weather data for September provides a valuable benchmark for comparing current conditions and predicting future trends, which can inform decisions related to agriculture, water management, and other climate-sensitive sectors.