Pecan Grove weather in September

In September, Pecan Grove sees average daytime highs of 89°F and overnight lows near 71°F, with 3.9 in of rain across 11.4 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 91°F in the first days to 86°F by the end. The sky is clear or mostly clear about 46% 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 Pecan Grove's 2nd-clearest and 10th-windiest month. For the whole year in context, see Pecan Grove's year-round climate.

Daytime high
89°
4th warmest
Overnight low
71°
9th coldest
Rainfall
3.9 in
11.4 wet days
Daylight
12 h 12 min
6:12 AM – 6:23 PM
Cloud cover
48%
2nd clearest
Wind
6 mph
10th windiest
Solar energy
5.02 kWh/m²
Travel score
4.2
out of 10

Pecan Grove is census designated place in Fort Bend County, Texas, United States.

Density
696/km²
people per km²

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 Pecan Grove reaches about 89°F in the afternoon and slips back to 71°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 95°F. Set against its neighbours, September runs about 5°F cooler than August and about 8°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19274
29174
39174
49174
59173
69173
79173
89073
99073
109073
119073
129072
138972
148972
158972
168971
178971
188871
198871
208870
218870
228869
238769
248769
258768
268768
278768
288667
298667
308667

How September really feels in Pecan Grove

Once humidity and wind are folded in, September averages 24 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
24
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.

Pecan Grove 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 daysDaylight (hours)Travel score
Jan63° / 45°3.79.510.35.7
Feb67° / 48°2.98.610.96.2
Mar73° / 54°3.2911.86.9
Apr79° / 60°3.68.412.76.9
May86° / 68°3.69.713.55.1
Jun91° / 74°4.212.313.93.6
Jul93° / 76°3.111.613.73.0
Aug93° / 75°3.311.513.12.9
Sep89° / 71°3.911.412.24.2
Oct81° / 62°3.9911.36.6
Nov72° / 53°3.78.410.57.0
Dec65° / 46°3.99.310.16.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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
25644
35743
45743
55842
65743
75743
85842
95842
105842
115842
125941
135941
145941
155941
166040
176040
186139
196238
206436
216535
226634
236832
246931
257129
267228
277228
287327
297327
307327

Chance of precipitation in September

Any precipitation

Pecan Grove gets around 3.9 in of rain over 11.4 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 38% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
144
244
344
445
545
645
745
844
944
1044
1143
1243
1342
1441
1541
1640
1739
1838
1936
2035
2134
2233
2332
2431
2530
2629
2728
2828
2927
3027

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1127166014
2127176013
3128176012
4238185812
5238185811
6238195711
7238195810
8238195810
9338205610
10348205510
11348205510
12348215410
13458215210
14458215210
15459225010
16559224910
175610224710
186610224610
197611224410
208711224210
21971223409
221081223389
231281223369
241391323349
251491323338
261591323328
2716101324317
2817101324306
2918101324296
3019101324285

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 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 6:04 AM to 6:20 AM, and sunset from 6:41 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:046:41
212.66:046:40
312.66:056:39
412.56:056:38
512.56:066:37
612.56:076:35
712.46:076:34
812.46:086:33
912.46:086:31
1012.46:096:30
1112.36:096:29
1212.36:106:28
1312.36:106:26
1412.26:116:25
1512.26:116:24
1612.26:126:23
1712.16:136:21
1812.16:136:20
1912.16:146:19
2012.16:146:17
2112.06:156:16
2212.06:156:15
2312.06:166:14
2411.96:166:12
2511.96:176:11
2611.96:176:10
2711.86:186:08
2811.86:196:07
2911.86:196:06
3011.76:206:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.02 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.28 kWh/m² in July across the year — September's 5.02 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
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Pecan Grove?

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

4.2
Sightseeing
9th-best month of the year
6.4
Beach & pool
4th-best month of the year

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

What to pack for Pecan Grove in September

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

In September, Pecan Grove sees daytime highs around 89°F and nights near 71°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Pecan Grove 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 Pecan Grove peaks around August 10 at about 11 (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 highHighModerateAug 10UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Pecan Grove 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 Pecan Grove is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul21Moderate
Aug15Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Pecan Grove?

Pecan Grove sits at 29.6°N, 95.7°W, 82 ft above sea level, in United States. The nearest listed city is New Territory, 3.7 mi away.

Topography around Pecan Grove

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

Within 2 miles, the terrain around Pecan Grove has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 85 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 148 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 479 ft.

The land around Pecan Grove is covered by grassland (39%) and trees (38%) within 2 miles, trees (40%), grassland (26%) and artificial surfaces (22%) within 10 miles, and trees (38%) and grassland (35%) within 50 miles.

2 miles
95 ft
10 miles
148 ft
50 miles
479 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: New Territory 3.7 mi · Sugar Land 5.6 mi · Mission Bend 6.2 mi · Rosenberg 6.8 mi · Cinco Ranch 8.1 mi · Alief 9.9 mi · Stafford 11 mi · Missouri City 12 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 Pecan Grove (29.6261°, -95.7316°, elevation 82 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).