Lexington weather in September

In September, Lexington sees average daytime highs of 81°F and overnight lows near 63°F, with 3.9 in of rain across 9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 84°F in the first days to 77°F by the end. The sky is clear or mostly clear about 37% 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 Lexington's 5th-clearest and 9th-windiest month. For the whole year in context, see Lexington's year-round climate.

Daytime high
81°
4th warmest
Overnight low
63°
9th coldest
Rainfall
3.9 in
9 wet days
Daylight
12 h 12 min
6:09 AM – 6:22 PM
Cloud cover
55%
5th clearest
Wind
5 mph
9th windiest
Solar energy
4.51 kWh/m²
Travel score
6.5
out of 10

Lexington is city in and county seat of Davidson County, North Carolina, United States.

Density
415/km²
people per km²
Founded
1775

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 77°F by the end.

A typical September day in Lexington reaches about 81°F in the afternoon and slips back to 63°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 89°F. Set against its neighbours, September runs about 6°F cooler than August and about 10°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18567
28567
38467
48467
58466
68466
78366
88365
98365
108365
118265
128264
138264
148164
158163
168163
178063
188063
198062
207962
217962
227961
237861
247861
257860
267760
277759
287759
297659
307658

How September really feels in Lexington

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.

Lexington weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 33°3.69.51.29.82.3
Feb54° / 35°3.28.81.310.63.2
Mar62° / 42°4.1100.511.75.3
Apr71° / 50°3.59.2012.96.7
May78° / 59°3.210.7013.96.6
Jun85° / 67°3.712.1014.44.9
Jul89° / 71°3.613.8014.24.0
Aug87° / 70°3.511.6013.44.7
Sep81° / 63°3.99012.26.5
Oct71° / 51°3.17.3011.17.2
Nov60° / 41°3.37.60.110.15.4
Dec53° / 35°3.68.90.69.63.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45644
55644
65644
75545
85644
95644
105644
115644
125644
135545
145644
155545
165446
175347
185347
195248
205149
215149
225149
235149
245248
255248
265347
275446
285446
295545
305545

Chance of precipitation in September

Any precipitation

Lexington gets around 3.9 in of rain over 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 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
231
331
430
529
629
728
827
927
1027
1126
1226
1327
1427
1528
1628
1729
1830
1931
2031
2132
2232
2332
2432
2531
2631
2730
2829
2929
3028

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 37% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1612234118
2713233918
3814243817
4814253616
5915253516
61016263315
71116263214
81217273113
91317273012
101418272912
111518272911
121619272910
13171926289
14181926288
15192026288
16192025287
17202025287
18212125276
19222125276
20222124276
21232124265
22252124255
23262124255
24282123244
25292123234
26312123224
27322122214
28342122194
29362121184
30372121174

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 5 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
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:57 AM to 6:20 AM, and sunset from 6:45 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:576:45
212.85:586:43
312.75:586:42
412.75:596:40
512.66:006:39
612.66:016:37
712.66:026:36
812.56:026:34
912.56:036:33
1012.56:046:31
1112.46:056:30
1212.46:056:28
1312.36:066:27
1412.36:076:25
1512.36:086:24
1612.26:096:22
1712.26:096:20
1812.16:106:19
1912.16:116:17
2012.16:126:16
2112.06:136:14
2212.06:136:13
2312.06:146:11
2411.96:156:10
2511.96:166:08
2611.86:176:07
2711.86:176:05
2811.86:186:04
2911.76:196:02
3011.76:206:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.51 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 6.19 kWh/m² in June across the year — September's 4.51 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Is September a good time to visit Lexington?

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

6.5
Sightseeing
4th-best month of the year
6.8
Beach & pool
1st-best month of the year

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

What to pack for Lexington in September

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

In September, Lexington sees daytime highs around 81°F and nights near 63°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Lexington 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 Lexington peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Lexington 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 Lexington is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1718 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar12Good
Apr12Good
May14Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Lexington?

Lexington sits at 35.8°N, 80.3°W, 846 ft above sea level, in United States. The nearest listed city is Thomasville, 11 mi away.

Topography around Lexington

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

Within 2 miles, the terrain around Lexington has only modest variations in elevation — a maximum elevation change of 213 ft around an average of 758 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 696 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,300 ft.

The land around Lexington is covered by trees (65%) within 2 miles, trees (65%) and grassland (25%) within 10 miles, and trees (74%) within 50 miles.

2 miles
213 ft
10 miles
696 ft
50 miles
2,300 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Thomasville 11 mi · Clemmons 16 mi · Salisbury 16 mi · High Point 17 mi · Winston-Salem 19 mi · Kernersville 23 mi · Asheboro 26 mi · Greensboro 31 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 Lexington (35.824°, -80.2534°, elevation 846 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).