Marana weather in September

In September, Marana sees average daytime highs of 95°F and overnight lows near 73°F, with 1.0 in of rain across 3.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 97°F in the first days to 92°F by the end. The sky is clear or mostly clear about 78% 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 Marana's 4th-clearest and 9th-windiest month. For the whole year in context, see Marana's year-round climate.

Daytime high
95°
4th warmest
Overnight low
73°
9th coldest
Rainfall
1.0 in
3.5 wet days
Daylight
12 h 12 min
6:13 AM – 6:25 PM
Cloud cover
25%
4th clearest
Wind
5 mph
9th windiest
Solar energy
6.09 kWh/m²
Travel score
3.2
out of 10

Marana is town in Pima and Pinal counties in Arizona, United States.

Density
131/km²
people per km²
Founded
1977

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 97°F in the first days to 92°F by the end.

A typical September day in Marana reaches about 95°F in the afternoon and slips back to 73°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 101°F. Set against its neighbours, September runs about 4°F cooler than August and about 9°F warmer than October.

60°70°80°90°100°151015202530
Avg high (°F)Avg low (°F)
19776
29776
39776
49775
59675
69675
79675
89675
99674
109674
119674
129574
139573
149573
159573
169573
179572
189472
199472
209471
219471
229471
239471
249370
259370
269369
279369
289269
299268
309268

How September really feels in Marana

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
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.

Marana weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 42°1.13.810.17.2
Feb68° / 45°1.1410.87.5
Mar75° / 50°0.7311.88.4
Apr82° / 56°0.31.212.87.9
May91° / 64°0.10.713.64.8
Jun100° / 73°0.2114.11.6
Jul100° / 79°1.26.913.91.2
Aug98° / 78°1.27.113.21.8
Sep95° / 73°1.03.512.23.2
Oct85° / 61°0.52.611.26.6
Nov74° / 50°0.72.510.38.5
Dec64° / 42°1.249.97.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% 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 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38515
48515
58713
68713
78713
88812
98812
108812
119010
129010
139010
14919
15919
169010
179010
189010
199010
209010
21919
22919
239010
249010
259010
269010
279010
289010
299010
309010

Chance of precipitation in September

Any precipitation

Marana gets around 1.0 in of rain over 3.5 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 13% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
120
219
319
418
517
617
716
816
915
1015
1114
1214
1314
1413
1513
1612
1712
1811
1910
2010
219
229
238
248
258
268
278
288
298
308

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 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1322326190
2332326180
3342325180
4352325170
5362325160
6382324150
7402324130
8422223120
9442223110
10462122100
1148212190
1251202090
1353191981
1455181881
1558171771
1659171671
1761161571
1865151361
1967141261
2069131161
2170131061
227212961
237511851
247511851
257710751
267710751
277910641
288010640
29839530
30839530

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 6:04 AM to 6:23 AM, and sunset from 6:46 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:046:46
212.76:046:44
312.66:056:43
412.66:066:42
512.66:066:40
612.56:076:39
712.56:086:38
812.56:086:36
912.46:096:35
1012.46:096:33
1112.46:106:32
1212.36:116:31
1312.36:116:29
1412.36:126:28
1512.26:136:27
1612.26:136:25
1712.26:146:24
1812.16:156:22
1912.16:156:21
2012.16:166:20
2112.06:176:18
2212.06:176:17
2312.06:186:15
2411.96:196:14
2511.96:196:13
2611.96:206:11
2711.86:216:10
2811.86:216:08
2911.86:226:07
3011.76:236:06

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 3.32 kWh/m² to a high of 8.4 kWh/m² in June across the year — September's 6.09 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Marana?

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

3.2
Sightseeing
9th-best month of the year
6.7
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Marana. The water and warmth also suit a beach or pool day.

What to pack for Marana in September

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

In September, Marana sees daytime highs around 95°F and nights near 73°F. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Marana in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marana 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Marana 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 Marana is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1715 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun15Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Marana?

Marana sits at 32.4°N, 111.2°W, 1,991 ft above sea level, in United States. The nearest listed city is Oro Valley, 16 mi away.

Topography around Marana

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

Within 2 miles, the terrain around Marana has only modest variations in elevation — a maximum elevation change of 79 ft around an average of 1,988 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,500 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,579 ft.

The land around Marana is covered by cropland (30%) and shrubs (27%) within 2 miles, shrubs (65%) within 10 miles, and shrubs (77%) within 50 miles.

2 miles
79 ft
10 miles
2,500 ft
50 miles
8,579 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Oro Valley 16 mi · Casas Adobes 16 mi · Flowing Wells 16 mi · Catalina Foothills 21 mi · Tucson 23 mi · Drexel Heights 24 mi · Eloy 29 mi · Tanque Verde 31 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 Marana (32.4367°, -111.2254°, elevation 1,991 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).