Ahwatukee Foothills weather in September

In September, Ahwatukee Foothills sees average daytime highs of 99°F and overnight lows near 75°F, with 1.0 in of rain across 3.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-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 79% 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 Ahwatukee Foothills's 4th-clearest and 6th-windiest month. For the whole year in context, see Ahwatukee Foothills's year-round climate.

Daytime high
99°
4th warmest
Overnight low
75°
9th coldest
Rainfall
1.0 in
3.3 wet days
Daylight
12 h 12 min
6:16 AM – 6:28 PM
Cloud cover
23%
4th clearest
Wind
4 mph
6th windiest
Solar energy
6.09 kWh/m²
Travel score
1.7
out of 10

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 Ahwatukee Foothills reaches about 99°F in the afternoon and slips back to 75°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 91°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)
110280
210280
310279
410179
510179
610178
710178
810178
910078
1010077
1110077
1210077
1310076
1410076
159976
169975
179975
189975
199874
209874
219874
229873
239873
249773
259772
269772
279671
289671
299670
309570

How September really feels in Ahwatukee Foothills

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
1 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.

Ahwatukee Foothills weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan67° / 43°1.13.6107.5
Feb70° / 46°1.33.810.87.8
Mar78° / 51°0.92.811.78.3
Apr85° / 58°0.31.212.86.8
May94° / 67°0.20.813.73.5
Jun104° / 76°0.10.614.20.4
Jul106° / 83°0.94.4140.0
Aug104° / 82°1.34.913.20.1
Sep99° / 75°1.03.312.21.7
Oct89° / 63°0.7211.25.6
Nov75° / 51°0.6210.38.5
Dec65° / 43°1.03.49.87.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% 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 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28614
38614
48614
58713
68713
78713
88911
98911
108911
118911
129010
13919
14919
15919
16919
17919
18919
19928
20928
21928
22919
23919
24919
25919
26919
27919
289010
299010
308911

Chance of precipitation in September

Any precipitation

Ahwatukee Foothills gets around 1.0 in of rain over 3.3 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 11% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
117
217
316
416
516
616
715
815
915
1014
1114
1214
1313
1413
1512
1611
1711
1810
199
209
218
228
237
247
257
267
277
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 58% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1332022196
2342022186
3352022186
4362021175
5382021175
6392021165
7411920154
8431920154
9441919144
10471818143
11491818133
12501717133
13531616123
14561515122
15581514112
16601413112
17631312102
18641311102
1967121092
2069111091
217111981
227410871
237410871
24769771
25789661
26789661
27808651
28808651
29828541
30828541

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:06 AM to 6:26 AM, and sunset from 6:49 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:066:49
212.76:076:48
312.76:076:47
412.66:086:45
512.66:096:44
612.66:096:43
712.56:106:41
812.56:116:40
912.46:116:38
1012.46:126:37
1112.46:136:35
1212.36:136:34
1312.36:146:33
1412.36:156:31
1512.26:156:30
1612.26:166:28
1712.26:176:27
1812.16:186:25
1912.16:186:24
2012.16:196:23
2112.06:206:21
2212.06:206:20
2312.06:216:18
2411.96:226:17
2511.96:226:16
2611.86:236:14
2711.86:246:13
2811.86:256:11
2911.76:256:10
3011.76:266:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.09 kWh/m².

For context, solar energy here swings from a low near 3.2 kWh/m² to a high of 8.45 kWh/m² in June across the year — September's 6.09 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Ahwatukee Foothills?

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

1.7
Sightseeing
9th-best month of the year
5.1
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Ahwatukee Foothills.

What to pack for Ahwatukee Foothills in September

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

In September, Ahwatukee Foothills sees daytime highs around 99°F and nights near 75°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Ahwatukee Foothills 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 Ahwatukee Foothills 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
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ahwatukee Foothills 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 Ahwatukee Foothills is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1626 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr14Moderate
May14Moderate
Jun28Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Ahwatukee Foothills?

Ahwatukee Foothills sits at 33.3°N, 112.0°W, 1,283 ft above sea level, in United States. The nearest listed city is Tempe Junction, 5.6 mi away.

Topography around Ahwatukee Foothills

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

Within 2 miles, the terrain around Ahwatukee Foothills has significant variations in elevation — a maximum elevation change of 1,037 ft around an average of 1,339 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,699 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,923 ft.

The land around Ahwatukee Foothills is covered by artificial surfaces (63%) within 2 miles, artificial surfaces (50%) within 10 miles, and shrubs (51%) and bare terrain (20%) within 50 miles.

2 miles
1,037 ft
10 miles
1,699 ft
50 miles
6,923 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tempe Junction 5.6 mi · Tempe 6.8 mi · Central City 8.1 mi · Chandler 8.7 mi · Phoenix 9.3 mi · Mesa 11 mi · Encanto 11 mi · Gilbert 11 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 Ahwatukee Foothills (33.3417°, -111.984°, elevation 1,283 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).