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New York City · September

Running in New York City in September

Typical September running conditions in New York City — and a live Run Score so you can see how today compares with the norm.

Typical Run Score

75

Good

Avg temperature

68°F

Warm

Avg dew point

58°F

Pleasant

Best window

6–9 AM

Local time

New York City · today vs the September normTemperature · dew point · wind · timing

How September compares in New York City

September ranks 8th of 12 months for running in New York City, with a typical daytime Run Score of 75 (Good). For reference, the best month is October (score 88) and the hardest is July (score 58). The kindest window in September is typically 6–9 AM. Precipitation falls in roughly 16% of hours this month. Use the live tool below to see how today actually compares with the September norm.

Running weather in nearby cities

Same engine, different climate. Check the best time to run in these cities too.

Running in New York City in September: FAQ

Is it good to run in New York City in September?

Generally yes, with sensible timing. The typical daytime Run Score is 75 (Good), with temperatures around 68°F (20°C) and pleasant dew points. The best window is usually 6–9 AM.

How hot is it for running in New York City in September?

Typical temperatures average 68°F (20°C) (Warm) with dew points near 58°F. Dew point — not the thermometer — usually decides how hard the run feels.

What is a good Run Score?

Scores run 0–100. 97+ is Perfect, 80–96 is Great — conditions are actively working in your favour. 65–79 (Good) is solid. 45–64 (Mixed) means at least one factor — usually heat or dew point — is taxing you. Below 45 (Poor), expect a noticeably harder effort or hold back for safety.

Why does dew point matter more than temperature?

Your body cools by evaporating sweat. When the dew point climbs above roughly 60°F, the air is too saturated for sweat to evaporate efficiently, so heat builds up even if the thermometer looks reasonable. That's why a 70°F muggy morning can feel harder than a dry 80°F afternoon.

Get this on every run, automatically

RunWeather syncs with Strava, plans your week, and learns your heat tolerance — so the right time to run finds you.