Buckeye weather in September

In September, Buckeye sees average daytime highs of 100°F and overnight lows near 76°F, with 0.7 in of rain across 2.7 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 102°F in the first days to 96°F by the end. The sky is clear or mostly clear about 81% 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 Buckeye's 4th-clearest and 6th-windiest month. For the whole year in context, see Buckeye's year-round climate.

Daytime high
100°
4th warmest
Overnight low
76°
10th coldest
Rainfall
0.7 in
2.7 wet days
Daylight
12 h 12 min
6:19 AM – 6:31 PM
Cloud cover
21%
4th clearest
Wind
5 mph
6th windiest
Solar energy
6.12 kWh/m²
Travel score
1.6
out of 10

Buckeye is city in Maricopa County, Arizona, United States.

Density
52/km²
people per km²
Founded
1888

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 102°F in the first days to 96°F by the end.

A typical September day in Buckeye reaches about 100°F in the afternoon and slips back to 76°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 92°F and 106°F. Set against its neighbours, September runs about 5°F cooler than August and about 11°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
110381
210280
310280
410280
510280
610280
710179
810179
910179
1010178
1110178
1210078
1310077
1410077
1510077
1610076
179976
189976
199975
209975
219875
229874
239874
249874
259773
269773
279772
289672
299671
309671

How September really feels in Buckeye

Once humidity and wind are folded in, September averages 30 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
30
3 feel dangerously hot (≥ 102°F)
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.

Buckeye 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan67° / 44°0.82.9107.7
Feb71° / 48°1.03.410.88.0
Mar78° / 53°0.72.511.78.4
Apr85° / 59°0.2112.86.8
May94° / 67°0.10.613.73.7
Jun103° / 76°0.10.214.20.6
Jul106° / 83°0.73.4140.0
Aug104° / 83°1.0413.20.1
Sep100° / 76°0.72.712.21.6
Oct89° / 64°0.51.711.25.5
Nov76° / 52°0.51.810.38.6
Dec66° / 44°0.939.87.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58812
68911
78911
89010
99010
109010
11919
12919
13919
14919
15928
16928
17928
18928
19937
20937
21937
22928
23928
24928
25928
26919
27919
289010
299010
309010

Chance of precipitation in September

Any precipitation

Buckeye gets around 0.7 in of rain over 2.7 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 9% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
212
312
412
512
612
712
812
912
1012
1112
1211
1311
1411
1510
1610
179
189
198
208
218
227
237
247
256
266
276
286
296
306

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1341924157
2351924157
3361923156
4381923156
5391922145
6411821145
7431821144
8451820134
9471719134
10491718133
11521617123
12531616123
13561515113
14581514112
15611413102
16621412102
1765131192
1866131092
196912982
207112881
217411771
227511671
237610671
247810561
257810561
26809461
27819451
28819451
29839341
30839341

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 5 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
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:08 AM to 6:28 AM, and sunset from 6:52 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:086:52
212.76:096:50
312.76:106:49
412.66:106:48
512.66:116:46
612.66:126:45
712.56:126:44
812.56:136:42
912.46:146:41
1012.46:146:39
1112.46:156:38
1212.36:166:36
1312.36:166:35
1412.36:176:34
1512.26:186:32
1612.26:196:31
1712.26:196:29
1812.16:206:28
1912.16:216:26
2012.16:216:25
2112.06:226:24
2212.06:236:22
2312.06:236:21
2411.96:246:19
2511.96:256:18
2611.86:266:16
2711.86:266:15
2811.86:276:14
2911.76:286:12
3011.76:286:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.12 kWh/m².

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 8.46 kWh/m² in June across the year — September's 6.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Buckeye?

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

1.6
Sightseeing
9th-best month of the year
5.0
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Buckeye.

What to pack for Buckeye in September

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

In September, Buckeye sees daytime highs around 100°F and nights near 76°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Buckeye in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Buckeye peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Buckeye?

Buckeye sits at 33.4°N, 112.6°W, 869 ft above sea level, in United States. The nearest listed city is Goodyear, 14 mi away.

Topography around Buckeye

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

Within 2 miles, the terrain around Buckeye has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 873 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,234 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,085 ft.

The land around Buckeye is covered by cropland (37%) and artificial surfaces (23%) within 2 miles, shrubs (39%), bare terrain (29%) and cropland (20%) within 10 miles, and shrubs (46%) and bare terrain (33%) within 50 miles.

2 miles
125 ft
10 miles
2,234 ft
50 miles
4,085 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Goodyear 14 mi · Avondale 14 mi · El Mirage 22 mi · Surprise 23 mi · Sun City 24 mi · Sun City West 24 mi · Peoria 25 mi · Maryvale 25 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 Buckeye (33.3703°, -112.5838°, elevation 869 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).