Prescott Valley weather in September

In September, Prescott Valley sees average daytime highs of 82°F and overnight lows near 58°F, with 2.0 in of rain across 7.9 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 84°F in the first days to 79°F by the end. The sky is clear or mostly clear about 62% 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 Prescott Valley's 3rd-clearest and 10th-windiest month. For the whole year in context, see Prescott Valley's year-round climate.

Daytime high
82°
4th warmest
Overnight low
58°
9th coldest
Rainfall
2.0 in
7.9 wet days
Daylight
12 h 12 min
6:17 AM – 6:30 PM
Cloud cover
31%
3rd clearest
Wind
4 mph
10th windiest
Solar energy
6.02 kWh/m²
Travel score
7.0
out of 10

Prescott Valley is town in Yavapai County, Arizona, United States.

Density
421/km²
people per km²
Founded
1978

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 84°F in the first days to 79°F by the end.

A typical September day in Prescott Valley reaches about 82°F in the afternoon and slips back to 58°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 88°F. Set against its neighbours, September runs about 5°F cooler than August and about 10°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18462
28462
38462
48461
58461
68361
78360
88360
98360
108360
118259
128259
138259
148258
158258
168158
178158
188157
198157
208157
218056
228056
238056
248056
258055
267955
277955
287955
297854
307854

How September really feels in Prescott Valley

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
0
heat index over the day's high
Days feeling ≤ 32°F
0
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.

Prescott Valley 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 daysSnow daysDaylight (hours)Travel score
Jan52° / 30°1.85.62.39.93.2
Feb55° / 33°2.16.32.810.73.9
Mar61° / 37°1.85.81.911.75.8
Apr68° / 42°0.83.80.712.87.6
May77° / 50°0.73.50.113.88.3
Jun87° / 59°0.32.2014.36.0
Jul89° / 65°3.312.6014.14.0
Aug87° / 64°3.514.8013.34.5
Sep82° / 58°2.07.9012.27.0
Oct72° / 48°1.44.20.111.18.2
Nov60° / 37°1.23.60.710.26.0
Dec51° / 31°1.65.42.69.73.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% 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 (%)
17624
27624
37723
47822
57921
67921
78119
88218
98317
108416
118515
128614
138614
148713
158812
168812
178812
188812
198911
208911
218812
228812
238812
248713
258713
268713
278713
288713
298713
308614

Chance of precipitation in September

Any precipitation

Prescott Valley gets around 2.0 in of rain over 7.9 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 27% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
242
341
440
539
638
737
836
935
1034
1133
1231
1330
1428
1527
1625
1724
1823
1921
2020
2119
2218
2317
2417
2516
2616
2716
2815
2915
3015

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1592912
2612910
362299
464288
565287
667276
769265
871254
972244
1074233
1176213
1278202
1380182
1481172
1583152
1685141
1787121
1888111
1989101
209091
219181
229271
239361
249361
259451
269451
279541
289541
299631
309631

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 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
285calm
295calm
305calm

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 6:06 AM to 6:28 AM, and sunset from 6:52 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:066:52
212.76:076:50
312.76:086:49
412.76:086:48
512.66:096:46
612.66:106:45
712.56:116:43
812.56:116:42
912.56:126:40
1012.46:136:39
1112.46:146:37
1212.46:146:36
1312.36:156:34
1412.36:166:33
1512.36:166:31
1612.26:176:30
1712.26:186:29
1812.16:196:27
1912.16:196:26
2012.16:206:24
2112.06:216:23
2212.06:226:21
2312.06:226:20
2411.96:236:18
2511.96:246:17
2611.86:256:15
2711.86:256:14
2811.86:266:12
2911.76:276:11
3011.76:286:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.02 kWh/m².

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 8.49 kWh/m² in June across the year — September's 6.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
Planning a trip in September

Is September a good time to visit Prescott Valley?

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
7.4
Beach & pool
3rd-best month of the year

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

What to pack for Prescott Valley in September

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

In September, Prescott Valley sees daytime highs around 82°F and nights near 58°F. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Prescott Valley 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 Prescott Valley peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr6High
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Prescott Valley?

Prescott Valley sits at 34.6°N, 112.3°W, 5,026 ft above sea level, in United States. The nearest listed city is Prescott, 9.9 mi away.

Topography around Prescott Valley

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

Within 2 miles, the terrain around Prescott Valley has only modest variations in elevation — a maximum elevation change of 377 ft around an average of 4,987 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,241 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,497 ft.

The land around Prescott Valley is covered by grassland (50%) and artificial surfaces (45%) within 2 miles, grassland (58%) within 10 miles, and shrubs (38%), grassland (31%) and trees (30%) within 50 miles.

2 miles
377 ft
10 miles
3,241 ft
50 miles
7,497 ft
treesshrubsgrasslandartificial surfacesbare terrain
September weather nearby: Prescott 9.9 mi · Sedona 36 mi · Anthem 52 mi · Flagstaff 55 mi · Payson 62 mi · Deer Valley 65 mi · Sun City West 65 mi · Surprise 68 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 Prescott Valley (34.61°, -112.3157°, elevation 5,026 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).