Amarillo weather in September

In September, Amarillo sees average daytime highs of 82°F and overnight lows near 59°F, with 1.6 in of rain across 6.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 86°F in the first days to 79°F by the end. The sky is clear or mostly clear about 60% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Amarillo's 3rd-clearest and 9th-windiest month. For the whole year in context, see Amarillo's year-round climate.

Daytime high: 82°; 4th warmest
Overnight low: 59°; 9th coldest
Rainfall: 1.6 in; 6.3 wet days
Daylight: 12 h 12 min; 6:35 AM – 6:48 PM
Cloud cover: 35%; 3rd clearest
Wind: 10 mph; 9th windiest
Solar energy: 5.53 kWh/m²
Travel score: 7.0; out of 10

Amarillo is city in Potter and Randall counties in Texas, United States, that is also the seat of Potter County.

Density: 745/km²; people per km²
Founded: 1887

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Amarillo year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 86°F in the first days to 79°F by the end.

A typical September day in Amarillo reaches about 82°F in the afternoon and slips back to 59°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 92°F. Set against its neighbours, September runs about 7°F cooler than August and about 10°F warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	86	86	86	85	85	85	84	84	83	83	83	83	82	82	82	82	81	81	81	81	81	80	80	80	80	79	79	79	78	78
Avg low (°F)	64	64	64	63	63	63	62	62	62	61	61	61	60	60	60	59	59	58	58	58	57	57	57	56	56	56	55	55	54	54

	Avg high (°F)	Avg low (°F)
1	86	64
2	86	64
3	86	64
4	85	63
5	85	63
6	85	63
7	84	62
8	84	62
9	83	62
10	83	61
11	83	61
12	83	61
13	82	60
14	82	60
15	82	60
16	82	59
17	81	59
18	81	58
19	81	58
20	81	58
21	81	57
22	80	57
23	80	57
24	80	56
25	80	56
26	79	56
27	79	55
28	79	55
29	78	54
30	78	54

How September really feels in Amarillo

Once humidity and wind are folded in, September averages 0 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

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Amarillo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	50° / 27°	0.8	3.3	1.6	9.9	2.9
Feb	55° / 30°	0.7	3.6	1.7	10.7	4.2
Mar	63° / 37°	1.5	5.1	1.2	11.7	6.5
Apr	71° / 45°	1.6	5.2	0.4	12.9	7.6
May	79° / 55°	2.4	7.2	0.1	13.8	7.2
Jun	88° / 64°	2.1	8.6	0	14.3	4.8
Jul	91° / 68°	1.8	7.7	0	14.1	4.0
Aug	89° / 67°	2.3	8.8	0	13.3	4.5
Sep	82° / 59°	1.6	6.3	0	12.2	7.0
Oct	72° / 47°	1.9	5.3	0.4	11.1	7.9
Nov	60° / 36°	0.9	3.7	1	10.1	5.8
Dec	51° / 28°	1.1	3.6	2.2	9.7	3.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	77	77	75	75	74	74	73	73	74	73	73	73	73	73	74	74	75	76	76	78	79	80	80	81	82	82	81	81	80	80
Cloudier (%)	23	23	25	25	26	26	27	27	26	27	27	27	27	27	26	26	25	24	24	22	21	20	20	19	18	18	19	19	20	20

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	75	25
4	75	25
5	74	26
6	74	26
7	73	27
8	73	27
9	74	26
10	73	27
11	73	27
12	73	27
13	73	27
14	73	27
15	74	26
16	74	26
17	75	25
18	76	24
19	76	24
20	78	22
21	79	21
22	80	20
23	80	20
24	81	19
25	82	18
26	82	18
27	81	19
28	81	19
29	80	20
30	80	20

Chance of precipitation in September

Any precipitation

Amarillo gets around 1.6 in of rain over 6.3 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 22% and peaks near 25% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	22	22	22	23	23	23	24	24	24	24	25	25	25	25	25	24	24	23	22	22	21	20	20	19	19	19	19	18	18	18

	Rain chance (%)
1	22
2	22
3	22
4	23
5	23
6	23
7	24
8	24
9	24
10	24
11	25
12	25
13	25
14	25
15	25
16	24
17	24
18	23
19	22
20	22
21	21
22	20
23	20
24	19
25	19
26	19
27	19
28	18
29	18
30	18

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	38	39	40	41	42	43	43	44	45	45	46	47	48	50	52	53	55	57	59	61	64	66	69	71	73	75	75	77	79	80
Comfortable (%)	35	34	34	33	33	33	33	33	32	32	32	32	31	31	30	30	29	28	27	26	24	23	21	20	19	18	17	16	15	14
Humid (%)	25	25	25	25	24	24	23	23	22	22	21	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	7	6	5	5
Muggy (%)	2	2	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	38	35	25	2
2	39	34	25	2
3	40	34	25	1
4	41	33	25	1
5	42	33	24	1
6	43	33	24	1
7	43	33	23	1
8	44	33	23	1
9	45	32	22	1
10	45	32	22	1
11	46	32	21	1
12	47	32	21	1
13	48	31	20	0
14	50	31	19	0
15	52	30	18	0
16	53	30	17	0
17	55	29	16	0
18	57	28	15	0
19	59	27	14	0
20	61	26	13	0
21	64	24	12	0
22	66	23	11	0
23	69	21	10	0
24	71	20	9	0
25	73	19	8	0
26	75	18	7	0
27	75	17	7	1
28	77	16	6	1
29	79	15	5	1
30	80	14	5	1

Wind in September

Winds average 10 mph in September.

Across September, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (mph)	Feels
1	10	light breeze
2	10	light breeze
3	10	light breeze
4	10	light breeze
5	10	light breeze
6	10	light breeze
7	10	light breeze
8	10	light breeze
9	10	light breeze
10	10	light breeze
11	10	light breeze
12	10	light breeze
13	10	light breeze
14	10	light breeze
15	10	light breeze
16	11	light breeze
17	11	light breeze
18	11	light breeze
19	11	light breeze
20	11	light breeze
21	11	light breeze
22	11	light breeze
23	11	light breeze
24	11	light breeze
25	11	light breeze
26	11	light breeze
27	11	light breeze
28	11	light breeze
29	11	light breeze
30	11	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 6:24 AM to 6:46 AM, and sunset from 7:10 PM to 6:27 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.8	12.7	12.7	12.7	12.6	12.6	12.6	12.5	12.5	12.4	12.4	12.4	12.3	12.3	12.3	12.2	12.2	12.1	12.1	12.1	12.0	12.0	12.0	11.9	11.9	11.8	11.8	11.8	11.7	11.7
Sunrise (AM)	6:24	6:24	6:25	6:26	6:27	6:27	6:28	6:29	6:30	6:31	6:31	6:32	6:33	6:34	6:34	6:35	6:36	6:37	6:37	6:38	6:39	6:40	6:40	6:41	6:42	6:43	6:44	6:44	6:45	6:46
Sunset (PM)	7:10	7:09	7:08	7:06	7:05	7:03	7:02	7:00	6:59	6:57	6:56	6:54	6:53	6:51	6:50	6:48	6:47	6:45	6:44	6:42	6:41	6:39	6:38	6:36	6:35	6:33	6:32	6:30	6:29	6:27

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.8	6:24	7:10
2	12.7	6:24	7:09
3	12.7	6:25	7:08
4	12.7	6:26	7:06
5	12.6	6:27	7:05
6	12.6	6:27	7:03
7	12.6	6:28	7:02
8	12.5	6:29	7:00
9	12.5	6:30	6:59
10	12.4	6:31	6:57
11	12.4	6:31	6:56
12	12.4	6:32	6:54
13	12.3	6:33	6:53
14	12.3	6:34	6:51
15	12.3	6:34	6:50
16	12.2	6:35	6:48
17	12.2	6:36	6:47
18	12.1	6:37	6:45
19	12.1	6:37	6:44
20	12.1	6:38	6:42
21	12.0	6:39	6:41
22	12.0	6:40	6:39
23	12.0	6:40	6:38
24	11.9	6:41	6:36
25	11.9	6:42	6:35
26	11.8	6:43	6:33
27	11.8	6:44	6:32
28	11.8	6:44	6:30
29	11.7	6:45	6:29
30	11.7	6:46	6:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.53 kWh/m².

For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 7.38 kWh/m² in June across the year — September's 5.53 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.0	6.0	5.9	5.9	5.8	5.8	5.8	5.7	5.7	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.1	5.1
Level	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.0	Intense
2	6.0	Bright
3	5.9	Bright
4	5.9	Bright
5	5.8	Bright
6	5.8	Bright
7	5.8	Bright
8	5.7	Bright
9	5.7	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.4	Bright
22	5.3	Bright
23	5.3	Bright
24	5.3	Bright
25	5.3	Bright
26	5.2	Bright
27	5.2	Bright
28	5.2	Bright
29	5.1	Bright
30	5.1	Bright

Planning a trip in September

Is September a good time to visit Amarillo?

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

7.0

Sightseeing

4th-best month of the year

7.6

Beach & pool

1st-best month of the year

September is one of the better times to visit Amarillo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Amarillo in September

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

In September, Amarillo sees daytime highs around 82°F and nights near 59°F. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Amarillo 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 Amarillo peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	5	5	9	9	11	11	10	8	6	4	3
Level	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	Moderate
Mar	5	High
Apr	9	Very high
May	9	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	3	Moderate

Location & terrain

Where is Amarillo?

Amarillo sits at 35.2°N, 101.8°W, 3,668 ft above sea level, in United States. The nearest listed city is Hereford, 43 mi away.

Topography around Amarillo

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

Within 2 miles, the terrain around Amarillo has only modest variations in elevation — a maximum elevation change of 174 ft around an average of 3,638 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 581 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,949 ft.

The land around Amarillo is covered by artificial surfaces (62%) and grassland (28%) within 2 miles, grassland (65%) within 10 miles, and grassland (69%) and cropland (27%) within 50 miles.

2 miles

174 ft

artificial surfaces 62%

10 miles

581 ft

grassland 65%

50 miles

1,949 ft

grassland 69%

treesgrasslandcroplandartificial surfacesbare terrainwater

← August Amarillo year-round climate October →Best places to visit in September

September weather nearby: Hereford 43 mi · Dumas 45 mi · Pampa 53 mi · Plainview 72 mi · Clovis 96 mi · Lubbock 114 mi · Liberal 135 mi · Altus 147 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

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 Amarillo (35.222°, -101.8313°, elevation 3,668 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	86	64
2	86	64
3	86	64
4	85	63
5	85	63
6	85	63
7	84	62
8	84	62
9	83	62
10	83	61
11	83	61
12	83	61
13	82	60
14	82	60
15	82	60
16	82	59
17	81	59
18	81	58
19	81	58
20	81	58
21	81	57
22	80	57
23	80	57
24	80	56
25	80	56
26	79	56
27	79	55
28	79	55
29	78	54
30	78	54

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	75	25
4	75	25
5	74	26
6	74	26
7	73	27
8	73	27
9	74	26
10	73	27
11	73	27
12	73	27
13	73	27
14	73	27
15	74	26
16	74	26
17	75	25
18	76	24
19	76	24
20	78	22
21	79	21
22	80	20
23	80	20
24	81	19
25	82	18
26	82	18
27	81	19
28	81	19
29	80	20
30	80	20

	Rain chance (%)
1	22
2	22
3	22
4	23
5	23
6	23
7	24
8	24
9	24
10	24
11	25
12	25
13	25
14	25
15	25
16	24
17	24
18	23
19	22
20	22
21	21
22	20
23	20
24	19
25	19
26	19
27	19
28	18
29	18
30	18

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	38	35	25	2
2	39	34	25	2
3	40	34	25	1
4	41	33	25	1
5	42	33	24	1
6	43	33	24	1
7	43	33	23	1
8	44	33	23	1
9	45	32	22	1
10	45	32	22	1
11	46	32	21	1
12	47	32	21	1
13	48	31	20	0
14	50	31	19	0
15	52	30	18	0
16	53	30	17	0
17	55	29	16	0
18	57	28	15	0
19	59	27	14	0
20	61	26	13	0
21	64	24	12	0
22	66	23	11	0
23	69	21	10	0
24	71	20	9	0
25	73	19	8	0
26	75	18	7	0
27	75	17	7	1
28	77	16	6	1
29	79	15	5	1
30	80	14	5	1

	Avg high (°F)	Avg low (°F)
1	86	64
2	86	64
3	86	64
4	85	63
5	85	63
6	85	63
7	84	62
8	84	62
9	83	62
10	83	61
11	83	61
12	83	61
13	82	60
14	82	60
15	82	60
16	82	59
17	81	59
18	81	58
19	81	58
20	81	58
21	81	57
22	80	57
23	80	57
24	80	56
25	80	56
26	79	56
27	79	55
28	79	55
29	78	54
30	78	54

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	75	25
4	75	25
5	74	26
6	74	26
7	73	27
8	73	27
9	74	26
10	73	27
11	73	27
12	73	27
13	73	27
14	73	27
15	74	26
16	74	26
17	75	25
18	76	24
19	76	24
20	78	22
21	79	21
22	80	20
23	80	20
24	81	19
25	82	18
26	82	18
27	81	19
28	81	19
29	80	20
30	80	20

	Rain chance (%)
1	22
2	22
3	22
4	23
5	23
6	23
7	24
8	24
9	24
10	24
11	25
12	25
13	25
14	25
15	25
16	24
17	24
18	23
19	22
20	22
21	21
22	20
23	20
24	19
25	19
26	19
27	19
28	18
29	18
30	18

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	38	35	25	2
2	39	34	25	2
3	40	34	25	1
4	41	33	25	1
5	42	33	24	1
6	43	33	24	1
7	43	33	23	1
8	44	33	23	1
9	45	32	22	1
10	45	32	22	1
11	46	32	21	1
12	47	32	21	1
13	48	31	20	0
14	50	31	19	0
15	52	30	18	0
16	53	30	17	0
17	55	29	16	0
18	57	28	15	0
19	59	27	14	0
20	61	26	13	0
21	64	24	12	0
22	66	23	11	0
23	69	21	10	0
24	71	20	9	0
25	73	19	8	0
26	75	18	7	0
27	75	17	7	1
28	77	16	6	1
29	79	15	5	1
30	80	14	5	1

	Avg high (°F)	Avg low (°F)
1	86	64
2	86	64
3	86	64
4	85	63
5	85	63
6	85	63
7	84	62
8	84	62
9	83	62
10	83	61
11	83	61
12	83	61
13	82	60
14	82	60
15	82	60
16	82	59
17	81	59
18	81	58
19	81	58
20	81	58
21	81	57
22	80	57
23	80	57
24	80	56
25	80	56
26	79	56
27	79	55
28	79	55
29	78	54
30	78	54

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	75	25
4	75	25
5	74	26
6	74	26
7	73	27
8	73	27
9	74	26
10	73	27
11	73	27
12	73	27
13	73	27
14	73	27
15	74	26
16	74	26
17	75	25
18	76	24
19	76	24
20	78	22
21	79	21
22	80	20
23	80	20
24	81	19
25	82	18
26	82	18
27	81	19
28	81	19
29	80	20
30	80	20

	Rain chance (%)
1	22
2	22
3	22
4	23
5	23
6	23
7	24
8	24
9	24
10	24
11	25
12	25
13	25
14	25
15	25
16	24
17	24
18	23
19	22
20	22
21	21
22	20
23	20
24	19
25	19
26	19
27	19
28	18
29	18
30	18

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	38	35	25	2
2	39	34	25	2
3	40	34	25	1
4	41	33	25	1
5	42	33	24	1
6	43	33	24	1
7	43	33	23	1
8	44	33	23	1
9	45	32	22	1
10	45	32	22	1
11	46	32	21	1
12	47	32	21	1
13	48	31	20	0
14	50	31	19	0
15	52	30	18	0
16	53	30	17	0
17	55	29	16	0
18	57	28	15	0
19	59	27	14	0
20	61	26	13	0
21	64	24	12	0
22	66	23	11	0
23	69	21	10	0
24	71	20	9	0
25	73	19	8	0
26	75	18	7	0
27	75	17	7	1
28	77	16	6	1
29	79	15	5	1
30	80	14	5	1