Yonkers, NY weather in September
Yonkers is mild in September, with some rain: highs average 77°F and nights drop to about 64°F. There are about 8 days with rain. A good month for most outdoor plans.
- Normal high
- 77°F
- Normal low
- 64°F
- Wet days
- 8
- 3.9 in total
- Muggy days
- 6
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 82°F | 72°F |
| Normal low | 69°F | 59°F |
| Chance of a wet day | 27% | 29% |
| Sunrise / sunset | 6:22 am / 7:28 pm | 6:51 am / 6:39 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am66°Fdew point 57°F
- 9 am69°Fdew point 57°F
- Noon74°Fdew point 56°F
- 3 pm75°Fdew point 56°F
- 6 pm73°Fdew point 57°F
- 9 pm70°Fdew point 58°F
NOAA hourly normals (local standard time) from New York Laguardia Airport (11 mi away); average wind 10 mph; clear or few clouds in 58% of daytime hours, mostly cloudy or overcast in 34%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph8 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more6 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.9 in; a dry September brings about 2.4 in and a wet one about 5.2 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202005: average high 82°F
- Coolest September2009: average high 74°F
- Wettest September2004: 10.3 in
- Driest September2005: 0.4 in
- Highest reading96°F (September 6, 2018)
- Lowest reading45°F (September 29, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 85°F | 77°F | 66°F |
| Normal low | 71°F | 64°F | 53°F |
| Wet days | 10 | 8 | 9 |
| Comfortable days | 4 | 14 | 14 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -8°F from August and -11°F into October.
Nearby alternatives in September
- Cooler: Worcester, MA142 mi · high 71°F · 10 wet days
How Yonkers ranks in September
- Normal high239th warmest of 378 cities; 1st of 10 in New York
- Wet days207th driest of 378
- Comfortable days108th most of 342
What to pack for Yonkers in September
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
September has 21 heating degree days and 195 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Yonkers in September?
The normal high is 77°F and the normal low is 64°F. From 1991 to 2020 the hottest September reading was 96°F (most recently on September 6, 2018).
Does it rain a lot in Yonkers in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 2004 (10.3 in); the driest was in 2005 (0.4 in).
Is September a good time to visit Yonkers?
September ranks 2nd of 12 months on our comfort score for Yonkers (67 out of 100). It has about 14 comfortable days and about 1 day at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and humidity and wind by hour: New York Laguardia Airport (USW00014732), 11 mi S of the city center, 11 ft (74 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: New York Cntrl Pk Twr (USW00094728), 11 mi SSW of the city center, 130 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Teterboro Airport (USW00094741), 10 mi WSW of the city center, 9 ft (76 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: La Guardia Airport (725030-14732), 11 mi S of the city center, 10 ft (75 ft lower than the city). Hourly observations, 1991-2020.