Peekskill weather in September

In September, Peekskill sees average daytime highs of 74°F and overnight lows near 57°F, with 4.3 in of rain across 9.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 78°F in the first days to 69°F by the end. The sky is clear or mostly clear about 36% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Peekskill's 2nd-clearest and 9th-windiest month. For the whole year in context, see Peekskill's year-round climate.

Daytime high
74°
4th warmest
Overnight low
57°
9th coldest
Rainfall
4.3 in
9.5 wet days
Daylight
12 h 18 min
5:42 AM – 5:58 PM
Cloud cover
56%
2nd clearest
Wind
6 mph
9th windiest
Solar energy
4.17 kWh/m²
Travel score
6.9
out of 10

Peekskill is city in Westchester County, New York, United States.

Density
1,658/km²
people per km²
Founded
1816

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 78°F in the first days to 69°F by the end.

A typical September day in Peekskill reaches about 74°F in the afternoon and slips back to 57°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 83°F. Set against its neighbours, September runs about 7°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17862
27862
37862
47861
57761
67761
77760
87660
97660
107659
117559
127559
137558
147458
157458
167457
177357
187356
197356
207256
217255
227155
237155
247154
257054
267054
276953
286953
296953
306852

How September really feels in Peekskill

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Peekskill weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 23°3.49.55.69.40.0
Feb39° / 24°3.08.74.710.30.0
Mar47° / 31°4.110.73.911.71.4
Apr59° / 42°3.710.90.713.14.4
May68° / 51°3.811.6014.36.0
Jun78° / 61°4.111.7014.96.4
Jul83° / 66°4.311014.75.8
Aug81° / 65°4.110.7013.76.4
Sep74° / 57°4.39.5012.36.9
Oct62° / 46°4.18.70.210.95.5
Nov51° / 36°3.28.20.99.72.5
Dec41° / 28°4.09.94.19.10.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55149
65149
75149
85149
95248
105248
115248
125248
135347
145347
155248
165248
175248
185248
195149
205149
215149
225149
235149
245050
255149
265149
275149
285149
295149
305050

Chance of precipitation in September

Any precipitation

Peekskill gets around 4.3 in of rain over 9.5 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
429
529
629
730
830
930
1031
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2131
2232
2332
2432
2531
2631
2731
2831
2931
3031

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1262525177
2272524167
3282624167
4292623166
5302622156
6312622156
7322721156
8332720145
9342720145
10362719145
11372719134
12382618134
13402618134
14412518123
15432518123
16442418113
17462318112
18472318102
19492217102
2050221792
2152211791
2254201781
2356191681
2457191671
2558181671
2660181561
2762171560
2863171460
2965161450
3066161350

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:26 AM to 5:57 AM, and sunset from 6:24 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:266:24
212.95:276:23
312.95:286:21
412.85:296:19
512.85:306:18
612.75:316:16
712.75:336:14
812.65:346:12
912.65:356:11
1012.65:366:09
1112.55:376:07
1212.55:386:05
1312.45:396:03
1412.45:406:02
1512.35:416:00
1612.35:425:58
1712.25:435:56
1812.25:445:55
1912.15:455:53
2012.15:465:51
2112.05:475:49
2212.05:485:47
2311.95:495:46
2411.95:505:44
2511.85:515:42
2611.85:525:40
2711.85:535:39
2811.75:555:37
2911.75:565:35
3011.65:575:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.17 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.94 kWh/m² in June across the year — September's 4.17 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Peekskill

In seasonPeak

In September, Peekskill sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Peekskill sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Peekskill?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9
Sightseeing
1st-best month of the year
5.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Peekskill for sightseeing.

What to pack for Peekskill in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Peekskill sees daytime highs around 74°F and nights near 57°F. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Peekskill in September

The nearest coast averages about 71°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 74°F and coldest in February near 35°F.

It's comfortable for a long swim from Jun 30 to Sep 30 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar37Bracing
Apr44Bracing
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in Peekskill in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Peekskill peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Peekskill in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Peekskill is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Peekskill?

Peekskill sits at 41.3°N, 73.9°W, 128 ft above sea level, in United States. The nearest listed city is Cortlandt Manor, 2.5 mi away.

Topography around Peekskill

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Peekskill.

Within 2 miles, the terrain around Peekskill has only modest variations in elevation — a maximum elevation change of 696 ft around an average of 233 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,722 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,304 ft.

The land around Peekskill is covered by trees (69%) within 2 miles, trees (81%) within 10 miles, and trees (73%) within 50 miles.

2 miles
696 ft
10 miles
1,722 ft
50 miles
3,304 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Cortlandt Manor 2.5 mi · Ossining 9.3 mi · New City 11 mi · Kiryas Joel 13 mi · Spring Valley 14 mi · Monsey 14 mi · Nanuet 15 mi · Newburgh 16 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Peekskill (41.2901°, -73.9204°, elevation 128 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).