when does it start getting hot in san diego
Climate of San Diego Late summer and early autumn are typically the hottest times of the year with and average high of 78 °F (26 °C) in August and 77 °F (25 °C) in September.[4] Temperatures occasionally reach 90 °F (32 °C) or higher.[5] Snow and ice are rare in the wintertime, typically occurring only inland from the coast when present.