Where to go in September

+One of LA's best weather windows, with warm days, clearer coastal conditions and summer crowds easing.

–Heatwaves can happen and event weekends still affect prices.

+Culture and better crowd levels after summer.

–Value is weaker than in the quieter months.

+Culture, nightlife and softer summer pressure.

–Value remains weaker than in quieter months.

+Beach trips, snorkeling, diving and couples' escapes

–Popular beachfront resorts can still be relatively expensive

+Strong balance of weather and crowds

–Shorter days than summer

+The best all-round month: warm, clear, energised and far calmer than summer.

–Fashion Week week itself books out early.

+Warm, clear days with summer crowds already gone.

–Trade fairs and Fashion Week tighten hotel availability.

+Dry-season weather continues while the biggest summer crowds disappear.

–Some popular areas remain busy, especially around weekends.

+Temperatures become more comfortable while summer conditions largely remain.

–Demand remains strong, especially in the first half of the month.

+Warm and dry, perfect for rooftop nights, with crowds thinning after August.

–Still not a budget month — rates ease but don't collapse.

+Warm weather + lively city

–Popular dates can be busy

+Warm sea + slightly calmer atmosphere

–Still relatively busy

+Warm weather with slightly less intense heat.

–Crowds remain high; La Mercè can create an additional spike.

+Warm weather, long evenings and the summer atmosphere is still there as crowds ease.

–The first half can still feel and price like summer.

+Sea and air are still summer-warm, but the Film Fest and Ferragosto rush have both passed.

–Prices are still elevated compared to spring, even as demand eases.

+Culture and fewer peak-summer crowds.

–Weather becomes less reliable later in the month.

+Excellent weather with cooler evenings

–Popular and potentially more expensive

+Warm sea and evenings

–Occasional late-summer rain

+Warm days, cooler evenings and strong city atmosphere make September one of NYC's best months.

–Major events can increase demand around specific dates.

+Summer crowds begin to ease while warm weather and major events continue.

–Fashion Week and other major events can tighten hotel availability.

+Balanced city atmosphere

–More rain than summer

+A strong shoulder-season option with a more relaxed atmosphere.

–Less reliable weather than summer.

+One of the best months for low crowds and value, with Halloween programming starting.

–Heat, humidity and tropical-weather risk remain significant.

+Warm, dry, comfortable days with noticeably thinner crowds and softer rates than midsummer.

–Good hotel rooms still book up fast on nice weekends.

+Spring arrives with longer days and improving outdoor conditions.

–Weather can change quickly during the seasonal transition.

+Conditions gradually improve toward the end of the month.

–Still hot, especially in the first half.

+Rain tapers off, and Independence Day (Sept 15–16) brings real local energy to the Zócalo.

–El Grito night packs the historic center — plan around it if crowds aren't your thing.

+Good value continues as temperatures begin to ease.

–Rainfall remains high at 225mm across roughly 14 rainy days.

+One of the best months for value and marine-life experiences, especially manta and whale-shark trips.

–Rainfall risk is high and sunshine is less reliable.

+Prices can be among the most attractive of the year.

–High heat, high humidity, frequent rain and hurricane-season exposure.

+Heat eases through the month and crowds thin out.

–Typhoon season can cancel flights and day trips.

+Among the quietest and cheapest periods to visit.

–Rainy season in full effect with afternoon showers.

+Lowest demand and some of the best rates; Vegetarian Festival may add cultural interest depending on the year.

–One of the wettest and most weather-dependent months.

+Prices stay soft and the month calms down after August’s heat.

–Typhoon season peaks early in the month — keep plans flexible.

+Very few crowds

–Wet-season weather

+Strong cultural calendar

–Weather remains unpredictable

+Quieter atmosphere

–Peak rainfall

+One of the quietest and best-value periods of the year.

–The wettest part of the year, with frequent heavy rain and potential flooding.

+Prices stay low and crowds stay thin while the worst of the heat begins to ease.

–Still 38–39°C — outdoor plans remain limited.