Lorain weather in September

In September, Lorain sees average daytime highs of 71°F and overnight lows near 62°F, with 3.4 in of rain across 9.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 75°F in the first days to 67°F by the end. The sky is clear or mostly clear about 41% 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 Lorain's 3rd-clearest and 9th-windiest month. For the whole year in context, see Lorain's year-round climate.

Daytime high
71°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.4 in
9.9 wet days
Daylight
12 h 18 min
6:15 AM – 6:31 PM
Cloud cover
50%
3rd clearest
Wind
10 mph
9th windiest
Solar energy
4.5 kWh/m²
Travel score
6.7
out of 10

Lorain is city in Lorain County, Ohio, United States.

Density
1,018/km²
people per km²
Founded
1807

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 75°F in the first days to 67°F by the end.

A typical September day in Lorain reaches about 71°F in the afternoon and slips back to 62°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 79°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)
17667
27567
37567
47566
57566
67466
77465
87465
97365
107364
117364
127364
137263
147263
157163
167162
177162
187062
197061
207061
216960
226960
236960
246859
256859
266758
276758
286758
296657
306657

How September really feels in Lorain

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.

Lorain weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 24°3.612.68.59.30.0
Feb33° / 24°2.89.9610.30.0
Mar40° / 31°3.511.44.511.70.2
Apr52° / 43°4.312.81.213.12.6
May65° / 55°4.013.1014.35.4
Jun75° / 66°4.313.2014.96.4
Jul79° / 71°3.811.6014.76.5
Aug77° / 69°3.611.8013.76.7
Sep71° / 62°3.49.9012.36.7
Oct60° / 51°3.711.7010.94.6
Nov48° / 40°3.9122.39.71.6
Dec38° / 31°3.812.36.19.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56238
66139
76139
86040
96040
105941
115842
125743
135743
145644
155644
165644
175644
185545
195545
205545
215446
225446
235446
245446
255446
265347
275347
285248
295347
305347

Chance of precipitation in September

Any precipitation

Lorain gets around 3.4 in of rain over 9.9 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
634
734
834
933
1033
1133
1233
1332
1432
1532
1632
1731
1831
1931
2032
2132
2233
2333
2434
2535
2635
2736
2836
2936
3036

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11022273010
21123272910
3132327279
4142427268
5152527258
6172527247
7182527237
8202627226
9212627215
10232626205
11242726194
12262726184
13272725173
14292824173
15302823162
16322823152
17342822142
18352921141
19372920131
20392919121
21412918121
22432917111
23452816110
24472815100
25482814100
2651271390
2752261390
2854261280
2955251280
3058241170

Wind in September

Winds average 10 mph in September.

Across September, daily wind ranges from about 9 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light 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 5:59 AM to 6:30 AM, and sunset from 6:58 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:596:58
212.96:006:56
312.96:016:54
412.86:026:53
512.86:036:51
612.76:046:49
712.76:056:47
812.76:076:46
912.66:086:44
1012.66:096:42
1112.56:106:40
1212.56:116:38
1312.46:126:37
1412.46:136:35
1512.36:146:33
1612.36:156:31
1712.26:166:29
1812.26:176:28
1912.16:186:26
2012.16:196:24
2112.06:206:22
2212.06:216:20
2311.96:226:19
2411.96:236:17
2511.86:246:15
2611.86:256:13
2711.86:276:12
2811.76:286:10
2911.76:296:08
3011.66:306:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.5 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 6.58 kWh/m² in June across the year — September's 4.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Lorain?

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
4.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Lorain for sightseeing.

What to pack for Lorain in September

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

In September, Lorain sees daytime highs around 71°F and nights near 62°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Lorain 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 12 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 26 to Sep 24 — about 3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan35Bracing
Feb33Bracing
Mar35Bracing
Apr41Bracing
May52Bracing
Jun65Cool
Jul74Refreshing
Aug75Refreshing
Sep71Refreshing
Oct61Cool
Nov50Bracing
Dec41Bracing

UV index in Lorain 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 Lorain peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Lorain 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 Lorain is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Lorain?

Lorain sits at 41.5°N, 82.2°W, 610 ft above sea level, in United States. The nearest listed city is Elyria, 6.8 mi away.

Topography around Lorain

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

Within 2 miles, the terrain around Lorain has only modest variations in elevation — a maximum elevation change of 187 ft around an average of 607 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 364 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.

The land around Lorain is covered by trees (30%), artificial surfaces (29%) and water (22%) within 2 miles, water (45%) and trees (27%) within 10 miles, and water (43%), trees (24%) and cropland (21%) within 50 miles.

2 miles
187 ft
10 miles
364 ft
50 miles
978 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Elyria 6.8 mi · Avon 7.5 mi · Avon Center 8.7 mi · Avon Lake 8.7 mi · North Ridgeville 9.3 mi · North Olmsted 14 mi · Bay Village 14 mi · Westlake 14 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 Lorain (41.4528°, -82.1824°, elevation 610 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).