New York · September
Best travel monthTravel seasonUSA · North America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 5° (41°)-6– (21–)16 (61) | 6° (43°)-2– (28–)17 (63) | 11° (52°)0– (32–)23 (73) | 17° (63°)8– (46–)28 (82) | 22° (72°)12– (54–)31 (88) | 27° (81°)19– (66–)33 (91) | 30° (86°)23– (73–)35 (95) | 29° (84°)23– (73–)34 (93) | 25° (77°)18– (64–)32 (90) | 19° (66°)10– (50–)26 (79) | 13° (55°)3– (37–)21 (70) | 8° (46°)-2– (28–)17 (63) |
Ø night, range from coldest to warmest nightØ nightrange | -1° (30°)-12– (10–)7 (45) | -1° (30°)-10– (14–)8 (46) | 3° (37°)-6– (21–)11 (52) | 8° (46°)1– (34–)16 (61) | 14° (57°)7– (45–)22 (72) | 19° (66°)12– (54–)24 (75) | 23° (73°)17– (63–)26 (79) | 22° (72°)16– (61–)25 (77) | 18° (64°)11– (52–)23 (73) | 12° (54°)4– (39–)19 (66) | 6° (43°)-2– (28–)15 (59) | 2° (36°)-7– (19–)9 (48) |
☀️Sunshine | 5h UV 4 | 6h UV 5 | 7h UV 6 | 7h UV 7 | 8h UV 7 | 8h UV 8 | 8h UV 8 | 8h UV 7 | 7h UV 6 | 6h UV 5 | 6h UV 4 | 4h UV 3 |
🌊Water Temp | 5° (41°) | 4° (39°) | 6° (43°) | 9° (48°) | 14° (57°) | 19° (66°) | 22° (72°) | 23° (73°) | 22° (72°) | 18° (64°) | 13° (55°) | 9° (48°) |
🌧Rain Days | 7d100mm (3.9") | 7d82mm (3.2") | 7d103mm (4.0") | 7d112mm (4.4") | 8d98mm (3.9") | 8d106mm (4.2") | 8d123mm (4.8") | 8d124mm (4.9") | 6d98mm (3.9") | 7d117mm (4.6") | 6d81mm (3.2") | 9d115mm (4.5") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is one of the best travel months for New York — conditions are stable, temperatures reach 25°C (77°F), and outdoor activities are excellent.
Daytime highs average 25°C (77°F), cooling to 18°C (64°F) at night (daily average: 22°C (72°F)). Peaks reach around 32°C (90°F), the coldest nights around 11°C (52°F). The sun shines an average of 7 hours per day; there are 6 rain days with 98 mm (3.9 in) total. Sea temperature is 22°C (72°F) — pleasantly warm for long swim sessions.
Summer clothing and a light jacket for evenings is enough. Conditions are ideal for excursions, hikes, and sightseeing.
Many consider this the best time of all: clear air, comfortable temperatures and the famous Indian summer, when Central Park turns gold and red. The cultural calendar starts its new season, and Halloween is in the air in October. November turns cooler and Christmas preparations begin.
Events & Festivals
- US Openlate August to mid-September
The year's last Grand Slam tennis tournament at Flushing Meadows (Queens); the finals fall on the second weekend of September.
Packing list for New York in September
- T-shirts and shorts
- Swimwear (the water is still a little fresh)
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit New York?
- Yes — September is one of the best months to visit New York (Climate Score: 69/100). Pleasant temperatures (25°C (77°F)), good sunshine (7 h/day), and few rain days (6) make it one of the most recommended months.
- How warm is it in New York in September?
- In September, New York sees daily highs of 25°C (77°F). Nights cool to 18°C (64°F), with a daily average of 22°C (72°F). Peaks reach around 32°C (90°F), the coldest nights around 11°C (52°F).
- How much rain falls in New York in September?
- In September, New York receives an average of 98 mm (3.9 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does New York get in September?
- New York averages 7 sunshine hours per day in September — close to the annual average.
- How warm is the water in New York in September?
- Water temperature in New York in September averages 22°C (72°F) — pleasantly warm for swim sessions.
