Horizon City weather in September

In September, Horizon City sees average daytime highs of 87°F and overnight lows near 65°F, with 1.0 in of rain across 4.1 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 90°F in the first days to 85°F by the end. The sky is clear or mostly clear about 75% of the time in September, and the air most often feels dry.

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 Horizon City's 5th-clearest and 7th-windiest month. For the whole year in context, see Horizon City's year-round climate.

Daytime high
87°
5th warmest
Overnight low
65°
9th coldest
Rainfall
1.0 in
4.1 wet days
Daylight
12 h 12 min
5:53 AM – 6:05 PM
Cloud cover
28%
5th clearest
Wind
7 mph
7th windiest
Solar energy
6.1 kWh/m²
Travel score
5.7
out of 10

Horizon City is city in El Paso County, Texas, United States.

Density
854/km²
people per km²
Founded
1962

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 85°F by the end.

A typical September day in Horizon City reaches about 87°F in the afternoon and slips back to 65°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 94°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)
19169
29069
39069
49068
58968
68968
78967
88967
98867
108867
118866
128866
138766
148765
158765
168765
178765
188764
198664
208664
218664
228663
238663
248663
258662
268562
278562
288561
298561
308561

How September really feels in Horizon City

Once humidity and wind are folded in, September averages 4 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
4
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.

Horizon City weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan57° / 35°0.52.80.410.25.1
Feb63° / 39°0.42.70.110.86.8
Mar71° / 46°0.31.9011.88.3
Apr79° / 52°0.11.2012.88.6
May88° / 61°0.31.9013.65.9
Jun95° / 70°0.31.60143.1
Jul94° / 73°0.95013.93.1
Aug93° / 71°0.74.1013.23.8
Sep87° / 65°1.04.1012.25.7
Oct78° / 54°0.63.20.111.28.2
Nov66° / 43°0.420.110.47.6
Dec57° / 35°0.73.50.5104.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28614
38614
48515
58515
68515
78416
88515
98515
108416
118416
128416
138416
148416
158416
168416
178416
188515
198515
208614
218614
228614
238614
248713
258713
268713
278713
288812
298812
308812

Chance of precipitation in September

Any precipitation

Horizon City gets around 1.0 in of rain over 4.1 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 16% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
114
214
314
415
515
615
715
815
916
1016
1116
1216
1316
1415
1515
1615
1714
1814
1914
2013
2113
2212
2312
2411
2511
2611
2711
2811
2911
3011

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16126121
26225121
36225121
46225121
56225121
66225121
76125131
86125131
96224131
106224131
116224131
126223141
136322141
146421141
156520141
166619141
176818131
186917131
197215121
207414111
217513111
227712101
23791191
24801091
2582981
2683971
2784871
2885861
2986851
3087850

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:44 AM to 6:02 AM, and sunset from 6:25 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:446:25
212.65:456:24
312.65:456:22
412.65:466:21
512.65:476:20
612.55:476:18
712.55:486:17
812.55:486:16
912.45:496:14
1012.45:506:13
1112.45:506:12
1212.35:516:10
1312.35:526:09
1412.35:526:08
1512.25:536:06
1612.25:536:05
1712.25:546:04
1812.15:556:02
1912.15:556:01
2012.15:565:59
2112.05:575:58
2212.05:575:57
2312.05:585:55
2411.95:585:54
2511.95:595:53
2611.96:005:51
2711.86:005:50
2811.86:015:49
2911.86:025:47
3011.76:025:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.1 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 8.22 kWh/m² in June across the year — September's 6.1 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Horizon City?

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

5.7
Sightseeing
7th-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Horizon City in September

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

In September, Horizon City sees daytime highs around 87°F and nights near 65°F. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Horizon City in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Horizon City peaks around June 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highHighModerateJun 22UV 12Dec 19UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar8Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in Horizon City 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 Horizon City is worst in December — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1716 µg/m³Aug 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar13Moderate
Apr14Moderate
May12Moderate
Jun13Moderate
Jul12Good
Aug11Good
Sep13Moderate
Oct13Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Horizon City?

Horizon City sits at 31.7°N, 106.2°W, 4,022 ft above sea level, in United States. The nearest listed city is Socorro, 6.2 mi away.

Topography around Horizon City

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

Within 2 miles, the terrain around Horizon City has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 4,006 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 942 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,184 ft.

The land around Horizon City is covered by bare terrain (36%), artificial surfaces (31%) and shrubs (28%) within 2 miles, shrubs (33%), bare terrain (32%) and artificial surfaces (25%) within 10 miles, and shrubs (41%) and bare terrain (40%) within 50 miles.

2 miles
200 ft
10 miles
942 ft
50 miles
5,184 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Socorro 6.2 mi · Socorro Mission Number 1 Colonia 6.2 mi · Ciudad Juárez 15 mi · El Paso 17 mi · Sunland Park 23 mi · Las Cruces 54 mi · Alamogordo 85 mi · Carlsbad 126 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 Horizon City (31.6926°, -106.2075°, elevation 4,022 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).