Things to Do in Monterey in September
September weather, activities, events & insider tips
September Weather in Monterey
Temperature, rainfall and humidity at a glance
Is September Right for You?
Weigh the advantages and considerations before booking
- + September hands you the year's warmest ocean at 16°C (61°F), the sweet spot for kayaking Monterey Bay without squeezing into a wetsuit.
- + Whale watching surges into its second peak as humpbacks gorge near the shoreline before heading south for winter.
- + Hotel rates fall 25-30% the moment Labor Day ends. Yet the weather sharpens, summer fog finally lifts for the first time all year.
- + Harvest season pulls winemakers into Carmel Valley tasting rooms, pouring their own juice instead of leaving the job to seasonal staff.
- − The marine layer slides in most afternoons around 3 PM, slicing temperatures 6-8°C (10-15°F) and turning beach plans into a guessing game.
- − September kicks off California's fire season, inland winds can drag smoky haze over Big Sur and blot out those cliff-edge views for days.
- − Restaurant reservations turn savage during Pebble Beach golf tournaments, with some tables locked down six weeks ahead.
Best Activities in September
Top things to do during your visit
September in Monterey brings clearer days and cooler nights. The summer fog recedes. You will find sunny afternoons over a deep cobalt Pacific. This is the month for dynamic ocean activity. Nutrient-rich upwellings draw immense marine gatherings close to shore, a spectacle visible from the bluffs and wharves. The tourist swell ebbs. Monterey feels settled, allowing for a more contemplative engagement with the cypress-studded landscape and historic Cannery Row. This shift coincides with the Monterey Jazz Festival. It is held over a weekend in late September at the county fairgrounds. The sound of brass and basslines echoes under ancient cypress trees. The experience extends beyond the main stage. Intimate late-night sessions in smaller venues make the music feel immediate. Prepare for the coastal evening chill. Temperatures drop noticeably after sunset, so bring a warm layer. Stable weather and spectacular wildlife make September exceptional for outdoor exploration around Monterey. Walk the paths of Point Lobos. Taste local wines in nearby Carmel-by-the-Sea. Feel the salt spray on a boat tour into the bay's marine sanctuary. The month has a distinct convergence of natural spectacle and cultural depth on the Monterey Peninsula.
Monterey Bay: Whale Watching Tour
guided_experienceAboard a dedicated whale watching vessel, you will glide past sea otters in kelp forests and brown pelicans skimming wave tops. You then reach the open waters of the Monterey Bay National Marine Sanctuary. Experienced guides interpret the splashes and spouts on the horizon. They bring you close to migrating humpback whales or massive blue whales feeding in these deep, cold waters. You will hear the explosive exhalation of a whale's blowhole. Feel the deck shudder as a tail slaps the surface just yards away.
Monterey: Monterey Bay Dolphin and Whale Watching Boat Tour
cruiseThis cruise focuses on acrobatic dolphins and porpoises. They travel in massive, chattering pods alongside the larger whales, creating a continuous display of leaping bodies and foaming wakes. The boat's design offers lower seating close to the waterline. You will feel immersed in the action as common dolphins race the bow. See the slick, dark backs of Risso's dolphins. Smell the sharp, organic scent of the ocean where baitfish churn the surface.
Guided 2-Hour Walking Tour in Carmel by the Sea
walking_tourThis walk meanders along the brick and cobblestone pathways of Carmel-by-the-Sea. It passes storybook cottages with rounded doors and hidden courtyards full of succulents and hydrangeas. The guide points out the unique architectural codes of the village. They recount tales of its artistic founders, from the scent of pine needles underfoot to the sight of twisted cypress branches framing ocean glimpses. You will hear the history behind the many small galleries. Feel the village's intentionally preserved, whimsical charm.
Wine Tasting and Walking Tour of Carmel-by-the-Sea
foodThis experience combines guided village exploration with stops at select tasting rooms. You can sample strong Pinot Noirs and crisp Chardonnays from the Santa Lucia Highlands. Between sips, you will learn about the region's wine history while walking past secret gardens and fairy-tale homes. Tasting notes of dark cherry and oak mingle with the coastal air. The tour often includes a curated cheese or chocolate pairing. It highlights local artisans.
Carmel-by-the-Sea 2.5-3 Hour Electric Bike Tour
guided_experienceRide a nearly silent electric bike along the scenic Seventeen-Mile Drive corridor. Feel a cool ocean breeze as you pass well-known sights like the Lone Cypress and the rugged coastline of Pebble Beach. The motor assist makes rolling hills easy. You will cover more impressive terrain than on foot and hear the crashing surf from multiple coves. See large golf courses edged by Monterey pines. Feel the spray from Fanshell Beach.
Guided 2-Hour Point Lobos Nature Walk
walking_tourThis guided nature walk examines the ecological reserve of Point Lobos. You will tread softly on trails lined with wind-sculpted cypress and green succulents clinging to granite cliffs. The guide will point out sea otters wrapped in kelp and harbor seals on rocky shelves. They show the intricate patterns of tide pools. The sound of waves crashing in sea caves provides a constant soundtrack. You will smell the briny kelp. Feel the damp, earthy coolness of the forest paths.
Where to Stay in Monterey in September
Hand-picked hotels across price tiers for September travellers.
September Events & Festivals
What's happening during your visit
The 69th edition runs Friday-Sunday after Labor Day weekend at the Monterey County Fairgrounds. Cypress trees shelter the outdoor arena and keep it warm until 10 PM, while late-night jam sessions in Dizzy's Den feature artists you watched on stage hours earlier. Bring layers, temperatures sink to 12°C (54°F) after sunset.
Packing Checklist
Bookmark this page — your progress is saved between visits
Climate-specific gear, brand recommendations, and what to leave at home.
View Monterey Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Didn't see anything interesting yet?
Browse Viator's full catalog of tours, day trips, food experiences, and private guides in Monterey.
See All Monterey Tours on Viator