Rome weather in September

In September, Rome sees average daytime highs of 70°F and overnight lows near 52°F, with 4.4 in of rain across 10.8 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 74°F in the first days to 65°F by the end. The sky is clear or mostly clear about 31% 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 Rome's 3rd-clearest and 9th-windiest month. For the whole year in context, see Rome's year-round climate.

Daytime high
70°
4th warmest
Overnight low
52°
9th coldest
Rainfall
4.4 in
10.8 wet days
Daylight
12 h 18 min
5:47 AM – 6:05 PM
Cloud cover
58%
3rd clearest
Wind
6 mph
9th windiest
Solar energy
4 kWh/m²
Travel score
6.3
out of 10

Rome is city in Oneida County, New York, United States.

Density
166/km²
people per km²
Founded
1870

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 74°F in the first days to 65°F by the end.

A typical September day in Rome reaches about 70°F in the afternoon and slips back to 52°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 80°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)
17456
27456
37456
47456
57355
67355
77355
87254
97254
107254
117153
127153
137153
147052
157052
167051
176951
186951
196950
206850
216850
226749
236749
246749
256648
266648
276548
286547
296547
306447

How September really feels in Rome

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.

Rome 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
Jan29° / 15°4.215.614.69.20.0
Feb31° / 16°3.512.711.910.20.0
Mar40° / 24°4.213.78.511.60.3
Apr54° / 37°4.813.92.713.23.0
May66° / 47°4.613.40.114.45.5
Jun74° / 56°5.313.8015.16.2
Jul78° / 61°4.813.4014.96.2
Aug76° / 59°4.412.5013.86.6
Sep70° / 52°4.410.8012.36.3
Oct57° / 42°5.113.90.510.83.8
Nov45° / 31°4.514.95.59.50.9
Dec34° / 22°4.816.7138.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35149
45149
55149
65050
75050
84951
94951
104852
114852
124753
134753
144852
154753
164753
174753
184753
194852
204852
214753
224753
234753
244753
254654
264654
274654
284654
294555
304555

Chance of precipitation in September

Any precipitation

Rome gets around 4.4 in of rain over 10.8 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 37% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
635
735
835
935
1035
1135
1236
1336
1436
1536
1636
1736
1836
1936
2036
2137
2237
2338
2438
2539
2640
2741
2841
2942
3042

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1352922141
2362821131
3372821131
4392721121
5412720111
6422720111
7442619101
845261991
946261891
1048261881
1149251771
1250251771
1353241661
1453241661
1554241561
1657231451
1759221450
1860221350
1962211340
2064201240
2165191240
2267181140
2369171130
2471161030
2571161030
267415920
277614820
287614820
297713820
308012710

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
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 5:30 AM to 6:04 AM, and sunset from 6:33 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:306:33
213.05:326:31
312.95:336:29
412.95:346:27
512.85:356:25
612.85:366:24
712.75:376:22
812.75:386:20
912.65:396:18
1012.65:416:16
1112.55:426:14
1212.55:436:12
1312.45:446:11
1412.45:456:09
1512.35:466:07
1612.35:476:05
1712.25:496:03
1812.25:506:01
1912.15:515:59
2012.15:525:57
2112.05:535:55
2212.05:545:54
2311.95:555:52
2411.95:575:50
2511.85:585:48
2611.85:595:46
2711.76:005:44
2811.76:015:42
2911.66:025:40
3011.66:045:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.93 kWh/m² in June across the year — September's 4 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.3Bright
94.3Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.0Bright
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Rome?

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

6.3
Sightseeing
2nd-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Rome for sightseeing.

What to pack for Rome in September

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

In September, Rome sees daytime highs around 70°F and nights near 52°F. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Rome 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 Rome peaks around July 13 at about 8 (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 highHighModerateLowJul 13UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Rome?

Rome sits at 43.2°N, 75.5°W, 456 ft above sea level, in United States. The nearest listed city is Utica, 14 mi away.

Topography around Rome

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

Within 2 miles, the terrain around Rome has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 456 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,010 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,910 ft.

The land around Rome is covered by trees (52%), grassland (22%) and artificial surfaces (20%) within 2 miles, trees (64%) and grassland (21%) within 10 miles, and trees (77%) within 50 miles.

2 miles
157 ft
10 miles
1,010 ft
50 miles
2,910 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Utica 14 mi · Cicero 34 mi · Clay 36 mi · Syracuse 37 mi · Oswego 55 mi · Cortland 56 mi · Gloversville 57 mi · Watertown 57 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 Rome (43.2129°, -75.4557°, elevation 456 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).