Hyde Park weather in September

In September, Hyde Park sees average daytime highs of 71°F and overnight lows near 63°F, with 3.3 in of rain across 9.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 67°F by the end. The sky is clear or mostly clear about 45% 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 Hyde Park's 1st-clearest and 9th-windiest month. For the whole year in context, see Hyde Park's year-round climate.

Daytime high
71°
4th warmest
Overnight low
63°
9th coldest
Rainfall
3.3 in
9.1 wet days
Daylight
12 h 18 min
5:36 AM – 5:53 PM
Cloud cover
48%
1st clearest
Wind
11 mph
9th windiest
Solar energy
4.59 kWh/m²
Travel score
6.9
out of 10

Hyde Park is neighborhood in Chicago, Illinois.

Density
6,298/km²
people per km²

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 76°F in the first days to 67°F by the end.

A typical September day in Hyde Park reaches about 71°F in the afternoon and slips back to 63°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 80°F. Set against its neighbours, September runs about 6°F cooler than August and about 12°F warmer than October.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17668
27668
37667
47667
57567
67566
77466
87466
97465
107465
117365
127364
137364
147264
157263
167163
177162
187162
197062
207061
216961
226960
236960
246860
256859
266759
276758
286758
296658
306657

How September really feels in Hyde Park

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.

Hyde Park weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 21°3.3106.49.30.0
Feb32° / 22°2.68.2510.30.0
Mar39° / 30°3.2103.211.70.1
Apr50° / 42°4.912.41.113.12.2
May63° / 54°4.612.1014.35.2
Jun74° / 65°3.911.60156.5
Jul79° / 71°3.411.4014.76.5
Aug78° / 70°3.810.8013.76.8
Sep71° / 63°3.39.1012.36.9
Oct59° / 51°4.110.70.110.94.6
Nov46° / 39°3.810.31.29.61.3
Dec36° / 28°3.210.24.690.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36238
46337
56337
66337
76337
86337
96337
106238
116238
126139
136040
146040
155941
165941
175842
185842
195743
205743
215743
225743
235644
245644
255545
265446
275446
285446
295446
305446

Chance of precipitation in September

Any precipitation

Hyde Park gets around 3.3 in of rain over 9.1 wet days in September. 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 (%)
130
230
330
430
530
630
731
831
931
1031
1132
1232
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11120272814
21221272713
31321272612
41522272611
51623272510
6182327249
7192327238
8212427227
9222426216
10242426215
11262426205
12272425194
13292525184
14302524173
15322524163
16342523153
17362522152
18382521142
19402620132
20422619122
21442618111
22472516101
23492515101
2450251591
2553241481
2654241381
2757231271
2858231261
2960221161
3061221151

Wind in September

Winds average 11 mph in September.

Across September, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912breezy
3012breezy

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 5:20 AM to 5:52 AM, and sunset from 6:20 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:206:20
212.95:226:18
312.95:236:16
412.85:246:14
512.85:256:13
612.85:266:11
712.75:276:09
812.75:286:07
912.65:296:06
1012.65:306:04
1112.55:316:02
1212.55:326:00
1312.45:335:58
1412.45:345:57
1512.35:355:55
1612.35:365:53
1712.25:375:51
1812.25:395:49
1912.15:405:48
2012.15:415:46
2112.05:425:44
2212.05:435:42
2311.95:445:40
2411.95:455:39
2511.85:465:37
2611.85:475:35
2711.75:485:33
2811.75:495:31
2911.75:505:30
3011.65:525:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.61 kWh/m² in June across the year — September's 4.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.1Bright
274.1Bright
284.0Bright
294.0Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Hyde Park?

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
4.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Hyde Park for sightseeing.

What to pack for Hyde Park in September

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

In September, Hyde Park sees daytime highs around 71°F and nights near 63°F. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Hyde Park in September

The nearest coast averages about 68°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 13 to Sep 15 — about 2.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May45Bracing
Jun57Bracing
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Hyde Park 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 Hyde Park peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Hyde Park 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 Hyde Park is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 921 µg/m³Oct 2410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar18Moderate
Apr19Moderate
May20Moderate
Jun21Moderate
Jul21Moderate
Aug18Moderate
Sep15Moderate
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Hyde Park?

Hyde Park sits at 41.8°N, 87.6°W, 591 ft above sea level, in United States. The nearest listed city is Kenwood, 1.2 mi away.

Topography around Hyde Park

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

Within 2 miles, the terrain around Hyde Park has only modest variations in elevation — a maximum elevation change of 79 ft around an average of 591 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 515 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 741 ft.

The land around Hyde Park is covered by artificial surfaces (50%) and water (29%) within 2 miles, artificial surfaces (45%) and water (44%) within 10 miles, and water (34%), cropland (23%) and trees (20%) within 50 miles.

2 miles
79 ft
10 miles
515 ft
50 miles
741 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kenwood 1.2 mi · Woodlawn 1.2 mi · Grand Boulevard 1.9 mi · South Shore 2.5 mi · Greater Grand Crossing 2.5 mi · Englewood 3.1 mi · Douglas 3.1 mi · New City 3.1 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 Hyde Park (41.7942°, -87.5939°, elevation 591 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. 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).