30YearWeather
New York in September
New York weather in September - United States
😊Warm & Pleasant

New York Weather in September

Plan your September trip to New York, United States. Based on 30 years of NASA data, expect temperatures of 24°C (high) to 16°C (low), with 23% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 22°C in September. Great conditions with only 10 rainy days expected.

Avg High
24°C

Hottest around day 3

Avg Low
16°C

Coolest around day 30

Rainy Days
10days

23% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

Atlantic Ocean

22.3°C

Monthly Average

Water Feel
☀️Warm

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Atlantic Ocean

New York coastline

New York September Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Find free wireless wifi & hotspot across...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for New York

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
85/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

573
Jan
585
Feb
604
Mar
656
Apr
694
May
673
Jun
667
Jul
697
Aug
632
Sep
611
Oct
591
Nov
595
Dec
Traffic Level
Low Season

Key Connections

Los Angeles (LAX)
London Heathrow (LHR)
San Francisco (SFO)
Boston General Edward Lawrence Logan (BOS)
Orlando (MCO)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit New York?

👌Good option with minor considerations
Short Answer

September brings storm season risk to New York. While typical weather is 24°C with 23% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Peak tourist season

91% of annual peak - expect crowds and peak prices

Ideal temperature range

24.1°C - perfect for sightseeing and outdoor activities

Pleasant swimming conditions

22.3°C sea temperature

Plenty of sunshine

8.8h of sunshine daily

Calm, family-friendly seas

0.38m wave height - Lake-like

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 24.1°C temperatures and low 23% rain risk

  • 👴
    Elderly travelers

    Comfortable 24.1°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 24.1°C, 23% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 97/100 with romantic weather conditions

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 💼
    Business travelers

    Storm season may cause flight disruptions

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,New York in September averages 24°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: New York in September

What are the temperatures in New York in September?

Daytime highs average 24°C, nights drop to 16°C. Temperatures remain fairly consistent.

How many rainy days in New York in September?

Expect around 10 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in New York in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in New York?

This is typically peak season with higher prices. Book 2-3 months ahead.