Parma weather in September

In September, Parma sees average daytime highs of 72°F and overnight lows near 59°F, with 3.4 in of rain across 10.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 68°F by the end. The sky is clear or mostly clear about 39% 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 Parma's 3rd-clearest and 9th-windiest month. For the whole year in context, see Parma's year-round climate.

Daytime high
72°
4th warmest
Overnight low
59°
9th coldest
Rainfall
3.4 in
10.5 wet days
Daylight
12 h 18 min
6:13 AM – 6:29 PM
Cloud cover
52%
3rd clearest
Wind
8 mph
9th windiest
Solar energy
4.43 kWh/m²
Travel score
6.7
out of 10

Parma is city in Cuyahoga County, Ohio, United States.

Density
1,537/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 76°F in the first days to 68°F by the end.

A typical September day in Parma reaches about 72°F in the afternoon and slips back to 59°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 82°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)
17764
27663
37663
47663
57663
67662
77562
87562
97561
107461
117461
127460
137360
147359
157359
167259
177258
187258
197158
207157
217157
227056
237056
246956
256955
266955
276855
286854
296754
306753

How September really feels in Parma

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.

Parma weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 22°3.212.910.29.40.0
Feb35° / 23°2.510.3710.30.0
Mar43° / 30°3.311.84.811.70.7
Apr56° / 41°4.113.71.513.13.4
May67° / 53°3.813.6014.35.6
Jun77° / 63°4.413.2014.96.3
Jul80° / 68°3.912.1014.76.3
Aug78° / 66°3.511.7013.76.6
Sep72° / 59°3.410.5012.36.7
Oct61° / 48°3.411.80.110.94.8
Nov49° / 38°3.412.43.19.71.8
Dec38° / 29°3.212.57.29.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65842
75842
85743
95743
105743
115545
125545
135545
145545
155446
165347
175347
185347
195347
205347
215347
225347
235248
245248
255248
265248
275248
285149
295149
305248

Chance of precipitation in September

Any precipitation

Parma gets around 3.4 in of rain over 10.5 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
236
336
436
536
636
736
836
936
1035
1135
1235
1335
1434
1534
1634
1734
1834
1934
2034
2134
2234
2335
2435
2536
2636
2737
2837
2937
3037

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1132628277
2142628256
3162628246
4172727236
5192727225
6202727215
7222827204
8242826194
9252826183
10272725173
11292725162
12312724162
13332724152
14352623141
15372622141
16392621131
17412620121
18432619121
19452518110
20472517110
21492516100
2252241590
2353241490
2455231480
2556231380
2659221270
2759221270
2862211160
2962211160
3064201060

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

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 5:57 AM to 6:28 AM, and sunset from 6:56 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:576:56
212.95:586:54
312.95:596:52
412.86:016:51
512.86:026:49
612.76:036:47
712.76:046:45
812.66:056:44
912.66:066:42
1012.66:076:40
1112.56:086:38
1212.56:096:37
1312.46:106:35
1412.46:116:33
1512.36:126:31
1612.36:136:29
1712.26:146:28
1812.26:156:26
1912.16:166:24
2012.16:176:22
2112.06:186:20
2212.06:196:19
2311.96:206:17
2411.96:216:15
2511.86:236:13
2611.86:246:12
2711.86:256:10
2811.76:266:08
2911.76:276:06
3011.66:286:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.43 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.5 kWh/m² in June across the year — September's 4.43 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Parma?

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

6.7
Sightseeing
1st-best month of the year
4.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Parma for sightseeing.

What to pack for Parma in September

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

In September, Parma sees daytime highs around 72°F and nights near 59°F. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

Sea temperature near Parma 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 16 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 28 to Sep 24 — about 2.9 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan36Bracing
Feb33Bracing
Mar35Bracing
Apr40Bracing
May51Bracing
Jun65Cool
Jul73Refreshing
Aug75Refreshing
Sep71Refreshing
Oct62Cool
Nov51Bracing
Dec42Bracing

UV index in Parma 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 Parma peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateLowJun 19UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Parma 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 Parma is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Parma?

Parma sits at 41.4°N, 81.7°W, 866 ft above sea level, in United States. The nearest listed city is Parma Heights, 1.9 mi away.

Topography around Parma

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

Within 2 miles, the terrain around Parma has only modest variations in elevation — a maximum elevation change of 371 ft around an average of 863 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 791 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.

The land around Parma is covered by artificial surfaces (58%) and trees (30%) within 2 miles, trees (44%) and artificial surfaces (31%) within 10 miles, and trees (35%) and water (35%) within 50 miles.

2 miles
371 ft
10 miles
791 ft
50 miles
978 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Parma Heights 1.9 mi · Clark-Fulton 4.3 mi · Brook Park 4.3 mi · Detroit-Shoreway 5.0 mi · Middleburg Heights 5.6 mi · Garfield Heights 6.2 mi · North Royalton 6.2 mi · Broadview Heights 6.8 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 Parma (41.4048°, -81.7229°, elevation 866 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).