Rocky Mount weather in September

In September, Rocky Mount sees average daytime highs of 81°F and overnight lows near 65°F, with 5.0 in of rain across 10.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 84°F in the first days to 78°F by the end. The sky is clear or mostly clear about 33% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Rocky Mount's 7th-clearest and 9th-windiest month. For the whole year in context, see Rocky Mount's year-round climate.

Daytime high
81°
4th warmest
Overnight low
65°
9th coldest
Rainfall
5.0 in
10.6 wet days
Daylight
12 h 12 min
5:59 AM – 6:12 PM
Cloud cover
58%
7th clearest
Wind
6 mph
9th windiest
Solar energy
4.4 kWh/m²
Travel score
6.2
out of 10

Rocky Mount is city in Edgecombe and Nash counties in the coastal plain region North Carolina, United States.

Density
490/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 84°F in the first days to 78°F by the end.

A typical September day in Rocky Mount reaches about 81°F in the afternoon and slips back to 65°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 88°F. Set against its neighbours, September runs about 5°F cooler than August and about 9°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18568
28568
38468
48468
58467
68467
78367
88367
98366
108366
118266
128265
138265
148265
158165
168164
178164
188064
198064
208063
218063
227963
237962
247962
257862
267862
277861
287861
297760
307760

How September really feels in Rocky Mount

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.

Rocky Mount weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 34°3.79.41.29.82.8
Feb55° / 36°3.18.91.310.63.5
Mar62° / 42°4.110.60.411.75.4
Apr71° / 51°3.49.2012.96.8
May78° / 60°3.711.2013.96.5
Jun85° / 68°4.012.4014.44.9
Jul88° / 72°4.915.4014.23.9
Aug86° / 71°4.812.8013.44.5
Sep81° / 65°5.010.6012.26.2
Oct72° / 53°3.57.4011.17.2
Nov62° / 43°3.47.50.110.15.8
Dec55° / 37°3.59.60.59.63.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
35050
45149
55149
65149
75149
85248
95248
105248
115248
125347
135347
145347
155248
165149
175149
185149
195149
205050
215050
225050
235050
245050
255050
265149
275248
285248
295248
305248

Chance of precipitation in September

Any precipitation

Rocky Mount gets around 5.0 in of rain over 10.6 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
537
637
737
836
936
1035
1135
1234
1334
1433
1533
1632
1732
1832
1933
2033
2133
2233
2333
2433
2532
2631
2731
2830
2930
3029

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1382231351
2392231341
3492330331
44102330321
55112329311
66112429291
77122429281
88122429261
98122529251
109132529241
1110132529231
1211132429211
1312142429201
1413142429191
1514152429181
1615152329170
1716162329160
1816162329160
1917162329150
2018172228150
2118172228140
2220182227140
2321182226130
2422182226120
2523192225120
2625192224110
2726192223100
2827202222100
292920222190
303020222090

Wind in September

Winds average 6 mph in September.

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

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
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 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:47 AM to 6:10 AM, and sunset from 6:35 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:476:35
212.85:486:33
312.75:486:32
412.75:496:30
512.65:506:29
612.65:516:27
712.65:526:26
812.55:526:24
912.55:536:23
1012.55:546:21
1112.45:556:20
1212.45:566:18
1312.35:566:17
1412.35:576:15
1512.35:586:14
1612.25:596:12
1712.26:006:11
1812.16:006:09
1912.16:016:08
2012.16:026:06
2112.06:036:05
2212.06:046:03
2312.06:046:01
2411.96:056:00
2511.96:065:58
2611.86:075:57
2711.86:085:55
2811.86:085:54
2911.76:095:52
3011.76:105:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.4 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 6.22 kWh/m² in June across the year — September's 4.4 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.1Bright
264.0Bright
274.0Bright
284.0Bright
294.0Moderate
304.0Moderate
Planning a trip in September

Is September a good time to visit Rocky Mount?

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

6.2
Sightseeing
4th-best month of the year
6.6
Beach & pool
1st-best month of the year

September is a reasonable time to visit Rocky Mount for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rocky Mount in September

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

In September, Rocky Mount sees daytime highs around 81°F and nights near 65°F. Pack light clothes. Worth having: rain gear. About 11 days see rain.

light clothesrain gear

UV index in Rocky Mount in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rocky Mount peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 13UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Rocky Mount 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 Rocky Mount is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1417 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Moderate
May13Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Rocky Mount?

Rocky Mount sits at 35.9°N, 77.8°W, 98 ft above sea level, in United States. The nearest listed city is Wilson, 17 mi away.

Topography around Rocky Mount

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

Within 2 miles, the terrain around Rocky Mount has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 118 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 315 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 810 ft.

The land around Rocky Mount is covered by trees (55%) and artificial surfaces (22%) within 2 miles, trees (54%) and cropland (25%) within 10 miles, and trees (67%) and cropland (21%) within 50 miles.

2 miles
128 ft
10 miles
315 ft
50 miles
810 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Wilson 17 mi · Greenville 33 mi · Roanoke Rapids 37 mi · Goldsboro 40 mi · Wake Forest 40 mi · Clayton 42 mi · Henderson 43 mi · Kinston 48 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 Rocky Mount (35.9382°, -77.7905°, elevation 98 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).