Zanesville weather in September

In September, Zanesville sees average daytime highs of 76°F and overnight lows near 56°F, with 3.2 in of rain across 8.6 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 80°F in the first days to 72°F by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Zanesville's 1st-clearest and 10th-windiest month. For the whole year in context, see Zanesville's year-round climate.

Daytime high
76°
4th warmest
Overnight low
56°
9th coldest
Rainfall
3.2 in
8.6 wet days
Daylight
12 h 18 min
6:15 AM – 6:30 PM
Cloud cover
53%
1st clearest
Wind
6 mph
10th windiest
Solar energy
4.42 kWh/m²
Travel score
7.0
out of 10

Zanesville is city in Muskingum County, Ohio, United States.

Density
811/km²
people per km²
Founded
1797

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 80°F in the first days to 72°F by the end.

A typical September day in Zanesville reaches about 76°F in the afternoon and slips back to 56°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 86°F. Set against its neighbours, September runs about 6°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18162
28161
38061
48061
58060
68060
77960
87959
97959
107859
117858
127858
137758
147757
157757
167656
177656
187656
197555
207555
217455
227454
237454
247353
257353
267353
277252
287252
297152
307151

How September really feels in Zanesville

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.

Zanesville 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
Jan37° / 23°3.410.85.79.50.0
Feb41° / 25°2.99.34.510.40.2
Mar51° / 33°4.011.52.611.72.3
Apr63° / 43°4.512.60.5135.0
May72° / 53°4.613.5014.26.1
Jun80° / 62°4.112.3014.86.0
Jul84° / 65°3.711.8014.55.4
Aug83° / 64°3.110.1013.66.0
Sep76° / 56°3.28.6012.37.0
Oct64° / 46°3.19.40.110.95.7
Nov51° / 36°3.29.219.82.6
Dec41° / 29°3.39.83.39.20.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45644
55644
65644
75644
85545
95545
105545
115446
125347
135347
145347
155248
165347
175248
185248
195248
205248
215248
225347
235347
245347
255347
265347
275347
285347
295347
305347

Chance of precipitation in September

Any precipitation

Zanesville gets around 3.2 in of rain over 8.6 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
428
527
627
727
827
926
1026
1126
1226
1327
1427
1528
1628
1728
1829
1929
2029
2130
2230
2331
2431
2531
2631
2731
2831
2931
3030

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1222323257
2232323247
3252323237
4262323226
5272323216
6292322205
7302322195
8322322184
9332322174
10352422163
11362422153
12372422152
13382422142
14402422132
15412421132
16432321121
17442320111
18462320111
19482219101
2051221890
2152211890
2254211780
2356201680
2457201670
2559191570
2661191460
2762181460
2864171360
2965171350
3067161250

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min 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 78 minutes over September. Sunrise moves from 6:00 AM to 6:28 AM, and sunset from 6:55 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:006:55
212.96:016:54
312.86:026:52
412.86:036:51
512.76:046:49
612.76:056:47
712.76:066:46
812.66:076:44
912.66:086:42
1012.56:096:40
1112.56:106:39
1212.46:116:37
1312.46:126:35
1412.36:136:34
1512.36:146:32
1612.36:156:30
1712.26:166:28
1812.26:176:27
1912.16:186:25
2012.16:196:23
2112.06:206:22
2212.06:206:20
2311.96:216:18
2411.96:226:16
2511.96:236:15
2611.86:246:13
2711.86:256:11
2811.76:266:10
2911.76:276:08
3011.66:286:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.42 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.14 kWh/m² in June across the year — September's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Zanesville?

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

7.0
Sightseeing
1st-best month of the year
6.1
Beach & pool
4th-best month of the year

September is one of the better times to visit Zanesville for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Zanesville in September

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

In September, Zanesville sees daytime highs around 76°F and nights near 56°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Zanesville 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 Zanesville peaks around June 21 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 21UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Zanesville 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 Zanesville is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1217 µg/m³Nov 157 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Zanesville?

Zanesville sits at 39.9°N, 82.0°W, 676 ft above sea level, in United States. The nearest listed city is Newark, 22 mi away.

Topography around Zanesville

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

Within 2 miles, the terrain around Zanesville has only modest variations in elevation — a maximum elevation change of 312 ft around an average of 797 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 505 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 883 ft.

The land around Zanesville is covered by trees (55%), grassland (20%) and artificial surfaces (20%) within 2 miles, trees (64%) and grassland (25%) within 10 miles, and trees (66%) within 50 miles.

2 miles
312 ft
10 miles
505 ft
50 miles
883 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Newark 22 mi · Lancaster 35 mi · Pataskala 35 mi · Pickerington 39 mi · Mount Vernon 40 mi · Reynoldsburg 42 mi · Athens 42 mi · Gahanna 46 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 Zanesville (39.9404°, -82.0132°, elevation 676 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. 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).