Things to Do in Monterey in September
September weather, activities, events & insider tips
Shoulder Season · Good Value
September Weather in Monterey
Temperature, rainfall and humidity at a glance
68°F (20°C)
High Temp
54°F (12°C)
Low Temp
0.1 inches (3 mm)
Rainfall
70%
Humidity
Is September Right for You?
Weigh the advantages and considerations before booking
Advantages
- + 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.
Considerations
- − 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 hits a sweet spot. The marine layer lifts. Skies turn deep cerulean over the Pacific. Days grow mild. Evenings carry salt air. Crowds thin. Locals reclaim Fisherman's Wharf benches. Sea lions echo off pilings. The Rec Trail glows golden at dusk.
Monterey Bay: Whale Watching Tour
guided_experienceThe Monterey Bay Whale Watching Tour launches into the Monterey Bay National Marine Sanctuary. The deck vibrates. You scan for humpback spouts. Blue whale backs break the surface. Naturalists point out shearwaters skimming troughs.
This is direct contact with ocean giants in wild feeding grounds.
Insider tip: Book mid-week mornings. Groups stay small. Seas run calmer.
Monterey: Monterey Bay Dolphin and Whale Watching Boat Tour
cruiseThe Monterey Bay Dolphin and Whale Watching Boat Tour targets acrobatic life in the bay's deep canyon. Hundreds of dolphins churn water to froth. Bodies arc in unison. Spray hits your face. The low-slung boat design puts you close. Whale breaches feel immediate.
You get dynamic, close-range views of playful pods escorting vessels.
Insider tip: Stand downwind. Views stay clearest there. Engine exhaust drifts away.
Guided 2-Hour Walking Tour in Carmel by the Sea
walking_tourThe Guided 2-Hour Walking Tour in Carmel by the Sea explores storybook lanes south of Monterey. Flagstone paths are uneven. Whimsical chimneys rise above cottages. Gardens burst with succulents and roses. Guides tell stories of artists and writers who shaped the place. Wind rustles through twisted Monterey pines.
This walk unlocks architectural charm and literary history behind fairytale facades.
Insider tip: Wear sturdy flat shoes. Steps are irregular. Courtyards hide along the route.
Wine Tasting and Walking Tour of Carmel-by-the-Sea
foodThe Wine Tasting and Walking Tour of Carmel-by-the-Sea pairs viticulture with village backstreets. Intimate tasting rooms smell of oak barrels. Pinot Noir carries coastal raspberry notes. You learn about Santa Lucia Highlands terroir. Walking between venues lets you digest wine and sights together.
This elegantly combines Monterey County wines with Carmel's secretive pedestrian pathways.
Insider tip: Schedule a leisurely lunch after. The pours add up across several venues.
Carmel-by-the-Sea 2.5-3 Hour Electric Bike Tour
guided_experienceThe Carmel-by-the-Sea 2.5-3 Hour Electric Bike Tour glides from Point Lobos cypress groves to Carmel Meadows vistas. Cool breeze hits your skin. You pedal silently past granite cliffs where cormorants nest. Surf roars in the distance. Electric assist flattens the hills. Dramatic coastal scenery opens up.
Minimal effort required. More ground than walking allows.
Insider tip: Request a bike with a basket. Bring a small backpack. Temperatures drop near the water. You'll want a layer.
Guided 2-Hour Point Lobos Nature Walk
walking_tourThe Guided 2-Hour Point Lobos Nature Walk examines the ecological heart of California's "crown jewel" state park reserve. Trails are earth-colored and soft with pine duff. Wind-sculpted cypresses cling to granite headlands. Tidal pools shimmer with purple sea urchins and green anemones. Sea otters crack shellfish on their chests. The sound carries across coves.
This guided exploration reveals intricate connections in one of the Monterey Peninsula's most biologically intense landscapes.
Insider tip: Arrive at opening time. Parking spots inside the reserve disappear fast.
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
Late September
Monterey Jazz Festival
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
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Climate-specific gear, brand recommendations, and what to leave at home.
View Monterey Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Insider Knowledge
Lock in dinner reservations at 5:30 PM or 8:30 PM, the 7 PM slot gets hammered by golf tournament crowds and aquarium visitors.
Park at Cannery Row garage after 4 PM for the flat rate and walk to dinner, street meters run until 8 PM and tickets cost $65.
The recreation trail from Monterey to Pacific Grove stretches 5 km (3.1 miles) of flat walking with guaranteed sea otter sightings between Lovers Point and the aquarium.
Bypass Fisherman's Wharf restaurants, locals hit the fish markets on Foam Street where Dungeness crab is cooked while you watch.
Avoid These Mistakes
Underestimating how cold 16°C (61°F) ocean water feels, even in September, you'll want a wetsuit for anything past 30 minutes.
Attempting Big Sur and wine country in one day, the 80 km (50 mile) drive swallows 90 minutes each way plus photo stops.
Booking waterfront hotels for the view, September's marine layer means you'll stare at fog, not ocean, most afternoons.
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