New Caney weather in September

In September, New Caney sees average daytime highs of 88°F and overnight lows near 70°F, with 4.1 in of rain across 10.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 91°F in the first days to 86°F by the end. The sky is clear or mostly clear about 45% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is New Caney's 2nd-clearest and 10th-windiest month. For the whole year in context, see New Caney's year-round climate.

Daytime high
88°
4th warmest
Overnight low
70°
9th coldest
Rainfall
4.1 in
10.5 wet days
Daylight
12 h 12 min
6:10 AM – 6:21 PM
Cloud cover
49%
2nd clearest
Wind
5 mph
10th windiest
Solar energy
4.96 kWh/m²
Travel score
4.4
out of 10

New Caney is human settlement in Montgomery County, Texas, United States of America.

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 91°F in the first days to 86°F by the end.

A typical September day in New Caney reaches about 88°F in the afternoon and slips back to 70°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 94°F. Set against its neighbours, September runs about 4°F cooler than August and about 8°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19173
29173
39173
49172
59072
69072
79072
89072
99071
109071
118971
128971
138971
148971
158970
168870
178870
188869
198869
208869
218769
228768
238768
248767
258767
268667
278666
288666
298666
308565

How September really feels in New Caney

Once humidity and wind are folded in, September averages 22 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
22
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.

New Caney weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°4.19.810.35.3
Feb65° / 47°3.39.210.95.9
Mar72° / 53°3.810.111.86.7
Apr78° / 59°4.18.712.76.9
May85° / 67°4.010.713.55.2
Jun90° / 73°4.613.113.93.6
Jul92° / 74°3.411.813.73.1
Aug93° / 74°3.712.113.12.9
Sep88° / 70°4.110.512.24.4
Oct80° / 60°4.38.511.36.9
Nov70° / 51°3.98.510.56.9
Dec63° / 45°4.39.910.15.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25743
35743
45842
55842
65941
75941
85941
95842
105842
115842
125842
135941
145842
155842
165941
175941
186040
196139
206238
216337
226436
236634
246733
256832
266931
277030
287129
297228
307228

Chance of precipitation in September

Any precipitation

New Caney gets around 4.1 in of rain over 10.5 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 35% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
343
442
542
642
741
841
940
1040
1139
1238
1338
1437
1536
1635
1735
1834
1933
2032
2131
2230
2329
2428
2528
2627
2727
2826
2926
3026

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1128185912
2128186011
3138195811
4138195910
523920579
624920569
724921568
824921568
934921558
1035921548
11351022528
12351022528
13461022508
14461023498
15461023488
16561123468
17571124458
18671224438
19771224418
20881224408
21981324388
221191324368
231291324347
2413101324327
2515101425307
2616101425306
2717101425295
2818111425285
2919111424274
3020111524264

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 36 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 54 minutes over September. Sunrise moves from 6:01 AM to 6:18 AM, and sunset from 6:40 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:016:40
212.66:026:39
312.66:026:37
412.56:036:36
512.56:046:35
612.56:046:33
712.56:056:32
812.46:056:31
912.46:066:30
1012.46:066:28
1112.36:076:27
1212.36:086:26
1312.36:086:24
1412.26:096:23
1512.26:096:22
1612.26:106:21
1712.16:106:19
1812.16:116:18
1912.16:116:17
2012.16:126:15
2112.06:136:14
2212.06:136:13
2312.06:146:11
2411.96:146:10
2511.96:156:09
2611.96:166:08
2711.86:166:06
2811.86:176:05
2911.86:176:04
3011.76:186:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.96 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 6.22 kWh/m² in July across the year — September's 4.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit New Caney?

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

4.4
Sightseeing
9th-best month of the year
6.6
Beach & pool
3rd-best month of the year

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

What to pack for New Caney in September

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

In September, New Caney sees daytime highs around 88°F and nights near 70°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in New Caney in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in New Caney peaks around July 24 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 24UV 10Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in New Caney 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 New Caney is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1523 µg/m³Dec 2010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Moderate
Apr12Moderate
May16Moderate
Jun20Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is New Caney?

New Caney sits at 30.2°N, 95.2°W, 95 ft above sea level, in United States. The nearest listed city is Atascocita, 11 mi away.

Topography around New Caney

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

Within 2 miles, the terrain around New Caney has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 115 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 180 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 541 ft.

The land around New Caney is covered by trees (70%) within 2 miles, trees (80%) within 10 miles, and trees (60%) and grassland (22%) within 50 miles.

2 miles
108 ft
10 miles
180 ft
50 miles
541 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Atascocita 11 mi · Humble 11 mi · Spring 14 mi · The Woodlands 17 mi · Conroe 18 mi · Aldine 19 mi · Cloverleaf 26 mi · Channelview 27 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 New Caney (30.1552°, -95.2113°, elevation 95 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).