The San Francisco Bay Area is set for a cooler-than-average start to September, with low cloud expected through the morning and isolated drizzle in some areas.
Forecasters said daytime temperatures would range from the low 60s to the mid-70s Fahrenheit across the region, marking a noticeable change from warmer summer conditions.
The National Weather Service in San Francisco said a deeper marine layer was developing across the coast, making coastal drizzle likely on Monday and Tuesday mornings. It forecast temperatures between five and 15 degrees below normal for the time of year. ([forecast.weather.gov](https://forecast.weather.gov/product.php?format=TXT&glossary=0&issuedby=MTR&product=AFD&site=LBF&version=6))
Tuesday is expected to be the coolest day of the period, according to KTVU’s forecast. The North Bay and coastal areas are most likely to see damp conditions, while cloud cover is expected to ease later in the day in some locations. ([ktvu.com](https://www.ktvu.com/weather/?clienttype=mobile&config=H264&utm_source=openai))
Further drizzle or light showers could develop between Wednesday morning and Thursday as another weather system passes to the north, with temperatures forecast to rise later in the week. ([abc7news.com](https://abc7news.com/post/weather-bay-area-forecast-temperatures/39468/?userab=kabc_content_recs-577%2Avariant_a_control-2480%2Cwls_content_recs-584%2Avariant_b_trending_wls-2517%2Cwtvd_content_recs-585%2Avariant_b_trending_wtvd-2519%2Cktrk_content_recs-587%2Avariant_a_control_ktrk-2522%2Cwpvi_content_recs-586%2Avariant_b_trending_wpvi-2521%2Cotv_web_content_rec-539%2Avariant_c_trending-2268%2Cotv_web_topic-580%2Avariant_a_topic-2508%2Cotv_search_page_design_unification-546%2Avariant_b_search_redesign-2300%2Ckgo_content_recs-583%2Avariant_a_control_kgo-2514%2Cabcn_popular_reads_exp-542%2Avariant_b_7days_filter-2288))
