SAN DIEGO (FOX 5/KUSI) — As we close out September, expect big waves, cloudy mornings, and pleasant afternoons to continue through the final days of the month.
Most of the region’s cloud cover cleared out by early afternoon, making for a gorgeous day with slightly below-average temperatures for this time of year.
In the short term, a deep trough of low pressure will move into the West Coast, bringing rain to the Pacific Northwest and Northern California. While San Diego will stay dry, this pattern shift will increase onshore flow Monday evening into Tuesday.
Along the coast and in the valleys, patchy drizzle is possible Tuesday morning due to a deeper marine layer. However, most forecast models suggest low clouds will mix out by late morning, leading to another partly sunny day.
At the beaches, elevated surf and strong rip currents will continue through midweek due to long-period south-southwest swell generated by Hurricane Narda leftovers. A Beach Hazards Statement remains in effect for the San Diego coast, especially for south-facing beaches where sets could reach 4 to 6 feet. Monday and Tuesday will be the best days and then the size fades gradually into Thursday.
A slight warm-up is expected mid-week as weak high pressure builds to the east. Daytime highs should reach the mid-70s along the coast, low 80s in the valleys, mid-60s in the mountains, and mid-90s in the deserts.
As we head into the first weekend of October, a gradual cool-down is on the way. The departing trough on Saturday will be followed by another low-pressure system, which is expected to deepen the marine layer once again.
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