September · United States
Best time to visit New York in September Weather, crowds & prices
Weather in New York in September
Average temperature 20°C, 140 mm of rain, about 24 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.4/10
Ranked #5 of 12 months
- Avg temp
- 20°C
- Rainfall
- 140 mm
- Humidity
- 73%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in New York scores 7.4/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 20°C, 140 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Skyline energy, world-class museums, and park life at their best in late spring through early fall.
September in New York — reliably good (5th best month)
September averages 20°C (68°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 140 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.4/10 here, 5th of 12 months, against 8.7/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in New York in September?
- In September, New York averages 20°C, 140 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is September a good time to visit New York?
- September earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in New York in September?
- Expect about 140 mm of rain in September. Average humidity is 73% and there are about 24 days with 6+ hours of sunshine.
Curated in New York
Tickets & experiences
Things to do in New York
New York, United States. Live activities and tours from GetYourGuide, matched to this destination.