Orange weather in September

In September, Orange sees average daytime highs of 85°F and overnight lows near 73°F, with 5.0 in of rain across 11.9 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 87°F in the first days to 83°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 Orange's 3rd-clearest and 10th-windiest month. For the whole year in context, see Orange's year-round climate.

Daytime high
85°
4th warmest
Overnight low
73°
9th coldest
Rainfall
5.0 in
11.9 wet days
Daylight
12 h 12 min
6:04 AM – 6:15 PM
Cloud cover
49%
3rd clearest
Wind
7 mph
10th windiest
Solar energy
5.09 kWh/m²
Travel score
5.1
out of 10

Orange is city in Orange County, Texas, United States.

Density
333/km²
people per km²
Founded
1830

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 87°F in the first days to 83°F by the end.

A typical September day in Orange reaches about 85°F in the afternoon and slips back to 73°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 90°F. Set against its neighbours, September runs about 3°F cooler than August and about 7°F warmer than October.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18776
28776
38776
48776
58775
68775
78775
88675
98675
108675
118674
128674
138674
148674
158574
168573
178573
188573
198573
208572
218472
228472
238471
248471
258371
268371
278370
288370
298369
308269

How September really feels in Orange

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.

Orange 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
Jan60° / 47°4.89.610.34.8
Feb63° / 51°3.48.610.95.6
Mar69° / 57°3.89.611.86.5
Apr75° / 63°4.3912.77.1
May81° / 71°3.710.213.56.4
Jun86° / 76°5.114.913.94.5
Jul88° / 78°4.21613.73.9
Aug88° / 77°4.816.513.13.8
Sep85° / 73°5.011.912.25.1
Oct78° / 64°3.87.911.37.4
Nov69° / 55°4.28.110.56.8
Dec62° / 49°4.79.210.15.4

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 15% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25248
35248
45347
55347
65446
75545
85545
95545
105743
115743
125842
135842
145842
155941
166040
176040
186139
196238
206238
216337
226535
236634
246733
256733
266931
277030
287030
297030
307030

Chance of precipitation in September

Any precipitation

Orange gets around 5.0 in of rain over 11.9 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 40% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
253
352
451
550
650
749
848
947
1046
1145
1244
1344
1443
1542
1641
1740
1838
1937
2036
2135
2233
2332
2431
2530
2629
2728
2827
2927
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 43% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101284247
201394345
3013104343
4013104442
5013114540
6014114539
7014114638
8024124637
9024124635
10025124734
11025124733
12125134732
13135134731
14135134731
15136134730
16136144729
17246144628
18247154627
19357154526
20358164425
21468164223
22469174122
235710184021
245710183920
256811193819
267911193717
277912203616
2881012203515
2991012203514
3091113213413

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
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 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 5:56 AM to 6:12 AM, and sunset from 6:34 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:566:34
212.65:566:33
312.65:576:31
412.55:576:30
512.55:586:29
612.55:586:28
712.55:596:26
812.45:596:25
912.46:006:24
1012.46:016:22
1112.36:016:21
1212.36:026:20
1312.36:026:19
1412.26:036:17
1512.26:036:16
1612.26:046:15
1712.16:046:13
1812.16:056:12
1912.16:066:11
2012.16:066:09
2112.06:076:08
2212.06:076:07
2312.06:086:06
2411.96:086:04
2511.96:096:03
2611.96:106:02
2711.86:106:00
2811.86:115:59
2911.86:115:58
3011.76:125:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.09 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.26 kWh/m² in June across the year — September's 5.09 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Orange

In seasonPeak

In September, Orange sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Orange sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Orange?

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

5.1
Sightseeing
8th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Orange in September

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

In September, Orange sees daytime highs around 85°F and nights near 73°F. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Orange in September

The nearest coast averages about 84°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 mi away) is warmest in August at about 86°F and coldest in January near 59°F.

It's comfortable for a long swim from Apr 2 to Nov 21 — about 7.7 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan59Bracing
Feb60Cool
Mar65Cool
Apr71Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep84Tropical
Oct77Warm
Nov69Refreshing
Dec62Cool

UV index in Orange 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 Orange peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 23UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Orange 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 Orange is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1522 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Good
Apr11Good
May13Moderate
Jun18Moderate
Jul22Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Orange?

Orange sits at 30.1°N, 93.7°W, 7 ft above sea level, in United States. The nearest listed city is Groves, 15 mi away.

Topography around Orange

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

Within 2 miles, the terrain around Orange has only modest variations in elevation — a maximum elevation change of 56 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 92 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 341 ft.

The land around Orange is covered by trees (46%) within 2 miles, trees (42%) and wetland (30%) within 10 miles, and trees (45%) and water (23%) within 50 miles.

2 miles
56 ft
10 miles
92 ft
50 miles
341 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Groves 15 mi · Nederland 17 mi · Port Arthur 19 mi · Beaumont 22 mi · Sulphur 24 mi · Lake Charles 33 mi · Baytown 78 mi · La Porte 82 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 Orange (30.093°, -93.7365°, elevation 7 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).