Deep dive — San Diego (SAN), Sep 26–30, 2026

Researched 2026-09-19 · Marriott nightly estimates, not live quotes

Deep dive — San Diego (SAN), Sep 26–30, 2026

Researched 2026-09-19. Four nights: Sat Sep 26 → Wed Sep 30 (2 weekend + 2 weeknights), 1 adult.

Weather (engine forecast, already scored)

Score 0.951 — 3rd in the 59-city universe
Avg high 77°F, rain 2%, max AQI 67

Live Marriott rates (aggregator averages, crawled Sep 15–18, 2026)

Property	Avg/night
San Diego Marriott Gaslamp Quarter	~$265
San Diego Marriott La Jolla	~$263
San Diego Marriott Del Mar	~$264
Courtyard by Marriott Gaslamp/Convention Center	~C$368 (~US$267)
Residence Inn by Marriott Downtown/Bayfront	~C$366 (~US$265)

Citywide context: ~$297 avg / $224 median; mid-range ~$305; 4-star ~$314.

Trip math

Hotel: $265 × 4 ≈ $1,060 pre-tax
San Diego hotel tax 11.75–13.75% (+2% TMD possible) → ~$1,200–1,225 all-in
Flight AUS→SAN: not yet priced — tomorrow's 07:47 digest runs the fare search

Demand watch for that weekend

CRSSD Festival, Waterfront Park, Sep 26–27 — downtown demand spike
JOGS Gem & Jewelry Show, Convention Center, Sep 25–28 — Gaslamp/downtown
San Diego Spirits Festival, Sep 26–27 (La Jolla)
Robert Plant at Humphreys, Sep 28 (sold out)

Weekend nights downtown will run above the averages; weeknights cheaper. Book direct with Marriott for member rates.

Engine update

SAN anchor in `hotel_rates.csv`: $300 → $265 (basis: researched-deep-dive 2026-09-19). Ranking regenerated.

Caveats

Rates are current aggregator averages, not date-locked quotes for Sep 26–30. Event-weekend nights may price higher. Confirm at booking.

Weather escape engine · prototype v1 · 59 nonstop destinations from Austin (AUS). Hotel figures are typical Marriott nightly estimates, refreshed periodically — ask in chat to pull live rates for a specific city and dates.