Lufkin weather in September

In September, Lufkin sees average daytime highs of 89°F and overnight lows near 69°F, with 3.6 in of rain across 8.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 92°F in the first days to 86°F by the end. The sky is clear or mostly clear about 47% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Lufkin's 2nd-clearest and 10th-windiest month. For the whole year in context, see Lufkin's year-round climate.

Daytime high
89°
4th warmest
Overnight low
69°
9th coldest
Rainfall
3.6 in
8.2 wet days
Daylight
12 h 12 min
6:08 AM – 6:19 PM
Cloud cover
46%
2nd clearest
Wind
5 mph
10th windiest
Solar energy
5.04 kWh/m²
Travel score
4.5
out of 10

Lufkin is seat of Angelina County, Texas, USA.

Density
407/km²
people per km²
Founded
1882

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 92°F in the first days to 86°F by the end.

A typical September day in Lufkin reaches about 89°F in the afternoon and slips back to 69°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 96°F. Set against its neighbours, September runs about 5°F cooler than August and about 9°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19273
29273
39272
49172
59172
69172
79172
89171
99071
109071
119071
129071
138970
148970
158970
168969
178969
188869
198869
208868
218768
228767
238767
248767
258666
268666
278665
288565
298565
308564

How September really feels in Lufkin

Once humidity and wind are folded in, September averages 20 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
20
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lufkin 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 daysDaylight (hours)Travel score
Jan60° / 42°4.19.710.24.8
Feb64° / 45°3.88.910.95.7
Mar71° / 51°4.19.611.86.7
Apr78° / 58°4.79.112.76.9
May85° / 66°4.210.813.65.3
Jun91° / 73°4.011.8143.6
Jul94° / 75°2.81013.82.9
Aug94° / 74°3.09.713.12.8
Sep89° / 69°3.68.212.24.5
Oct79° / 59°4.47.811.27.1
Nov69° / 49°3.6810.46.8
Dec61° / 43°4.49.9105.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
26040
36040
46139
56139
66238
76337
86238
96238
106337
116337
126337
136337
146337
156337
166337
176337
186436
196436
206535
216535
226733
236832
246931
256931
267030
277129
287129
297129
307129

Chance of precipitation in September

Any precipitation

Lufkin gets around 3.6 in of rain over 8.2 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 28% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
433
533
632
732
831
931
1030
1130
1230
1330
1430
1530
1629
1729
1828
1927
2027
2126
2225
2324
2423
2522
2622
2721
2821
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1151326523
2261426503
3261425493
4261525483
5371525473
6371525473
7471525463
8481525453
9481525453
10581426443
11581426434
12681426424
13691426414
14791427404
15791427394
16891427384
17991427374
1810101427354
1911101427344
2012101427334
2114111427314
2215111426303
2317111526283
2418121525273
2520121525263
2621131624242
2722131624232
2823131723222
2925131723211
3026131723201

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 42 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 60 minutes over September. Sunrise moves from 5:58 AM to 6:16 AM, and sunset from 6:39 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:586:39
212.65:596:37
312.66:006:36
412.66:006:35
512.56:016:34
612.56:026:32
712.56:026:31
812.46:036:30
912.46:036:28
1012.46:046:27
1112.46:056:26
1212.36:056:24
1312.36:066:23
1412.36:066:22
1512.26:076:20
1612.26:086:19
1712.26:086:18
1812.16:096:16
1912.16:096:15
2012.16:106:13
2112.06:116:12
2212.06:116:11
2312.06:126:09
2411.96:136:08
2511.96:136:07
2611.96:146:05
2711.86:146:04
2811.86:156:03
2911.86:166:01
3011.76:166:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.04 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 6.36 kWh/m² in July across the year — September's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Lufkin?

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

4.5
Sightseeing
9th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Lufkin in September

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

In September, Lufkin sees daytime highs around 89°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Lufkin in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lufkin peaks around August 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highExtremeVery highHighModerateAug 10UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Very high
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Lufkin 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 Lufkin is worst in July — around 23 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1622 µg/m³Jan 148 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Good
Apr11Good
May15Moderate
Jun18Moderate
Jul23Moderate
Aug18Moderate
Sep15Moderate
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Lufkin?

Lufkin sits at 31.3°N, 94.7°W, 312 ft above sea level, in United States. The nearest listed city is Nacogdoches, 19 mi away.

Topography around Lufkin

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

Within 2 miles, the terrain around Lufkin has only modest variations in elevation — a maximum elevation change of 148 ft around an average of 312 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 302 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 715 ft.

The land around Lufkin is covered by trees (56%) and artificial surfaces (23%) within 2 miles, trees (71%) and grassland (26%) within 10 miles, and trees (77%) within 50 miles.

2 miles
148 ft
10 miles
302 ft
50 miles
715 ft
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Nacogdoches 19 mi · Palestine 61 mi · Huntsville 65 mi · Tyler 78 mi · Longview 80 mi · Conroe 83 mi · Marshall 86 mi · New Caney 86 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 Lufkin (31.3382°, -94.7291°, elevation 312 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).