Humble weather in September

In September, Humble sees average daytime highs of 88°F and overnight lows near 71°F, with 4.4 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 90°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 Humble's 2nd-clearest and 10th-windiest month. For the whole year in context, see Humble's year-round climate.

Daytime high
88°
4th warmest
Overnight low
71°
9th coldest
Rainfall
4.4 in
11.4 wet days
Daylight
12 h 12 min
6:10 AM – 6:21 PM
Cloud cover
49%
2nd clearest
Wind
6 mph
10th windiest
Solar energy
4.96 kWh/m²
Travel score
4.4
out of 10

Humble is city in Harris County, Texas, United States.

Density
614/km²
people per km²
Founded
1933

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 90°F in the first days to 86°F by the end.

A typical September day in Humble reaches about 88°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 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)
19174
29173
39073
49073
59073
69073
79073
89073
98972
108972
118972
128972
138972
148971
158871
168871
178871
188870
198870
208770
218769
228769
238769
248768
258668
268668
278667
288667
298567
308566

How September really feels in Humble

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.

Humble 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
Jan62° / 44°4.210.210.35.4
Feb66° / 48°3.49.110.96.0
Mar72° / 54°3.89.711.86.8
Apr78° / 60°4.09.312.76.9
May85° / 68°3.810.413.55.4
Jun90° / 74°4.613.213.93.7
Jul92° / 75°3.512.413.73.2
Aug92° / 75°3.812.913.13.1
Sep88° / 71°4.411.412.24.4
Oct81° / 61°4.28.711.36.8
Nov71° / 52°4.18.510.56.9
Dec64° / 46°4.39.710.15.8

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 18% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25743
35743
45842
55842
65842
75842
85941
95941
105941
115941
125941
135941
145941
156040
166040
176139
186238
196337
206436
216535
226733
236832
246931
257030
267030
277129
287129
297228
307228

Chance of precipitation in September

Any precipitation

Humble gets around 4.4 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 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
246
346
446
545
645
744
844
943
1043
1142
1242
1341
1440
1540
1639
1738
1837
1936
2035
2134
2233
2332
2431
2530
2629
2729
2828
2928
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 45% 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 (%)
1117155818
2118165717
3118165816
4128175616
5128175715
6128185714
7228185614
8228195613
9238195513
10238195513
11239195413
12349205113
13349205113
14349215013
15359214813
164510224713
174510224613
185610224412
196611224212
207711234012
218711233912
229812233711
2311812233511
2412912233410
251391323329
2614101323319
2715101324308
2816101424297
2917101423296
3018111423286

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 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
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 6:02 AM to 6:18 AM, and sunset from 6:40 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:026:40
212.66:026:39
312.66:036:37
412.56:036:36
512.56:046:35
612.56:046:34
712.56:056:32
812.46:066:31
912.46:066:30
1012.46:076:28
1112.36:076:27
1212.36:086:26
1312.36:086:25
1412.26:096:23
1512.26:096:22
1612.26:106:21
1712.16:116:19
1812.16:116:18
1912.16:126:17
2012.16:126:16
2112.06:136:14
2212.06:136:13
2312.06:146:12
2411.96:156:10
2511.96:156:09
2611.96:166:08
2711.86:166:06
2811.86:176:05
2911.86:176:04
3011.76:186:03

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 2.57 kWh/m² to a high of 6.21 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
204.9Bright
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 Humble?

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
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Humble in September

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

In September, Humble sees daytime highs around 88°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 Humble 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 Humble 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 Humble 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 Humble 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 Humble?

Humble sits at 30.0°N, 95.3°W, 95 ft above sea level, in United States. The nearest listed city is Atascocita, 5.0 mi away.

Topography around Humble

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

Within 2 miles, the terrain around Humble has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 85 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 213 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 528 ft.

The land around Humble is covered by trees (44%) and artificial surfaces (30%) within 2 miles, trees (57%) and artificial surfaces (20%) within 10 miles, and trees (53%) and grassland (24%) within 50 miles.

2 miles
118 ft
10 miles
213 ft
50 miles
528 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Atascocita 5.0 mi · Aldine 8.7 mi · Spring 11 mi · New Caney 11 mi · Cloverleaf 16 mi · Houston 17 mi · The Woodlands 17 mi · Channelview 18 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 Humble (29.9988°, -95.2622°, 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).