Nogales weather in September

In September, Nogales sees average daytime highs of 30°C and overnight lows near 17°C, with 49 mm of rain across 7.7 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 66% 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 Nogales's 7th-clearest and 10th-windiest month. For the whole year in context, see Nogales's year-round climate.

Daytime high
30°
4th warmest
Overnight low
17°
9th coldest
Rainfall
49 mm
7.7 wet days
Daylight
12 h 12 min
6:12 AM – 6:24 PM
Cloud cover
33%
7th clearest
Wind
8 km/h
10th windiest
Solar energy
5.89 kWh/m²
Travel score
5.7
out of 10

Nogales is municipal seat of Nogales, State of Sonora, Mexico.

Founded
1841

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Nogales reaches about 30°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13019
23019
33018
43018
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163018
173017
183017
193017
203017
213017
223017
233017
243017
252916
262916
272916
282916
292916
302916

How September really feels in Nogales

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

Nogales weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan16° / 3540.410.26.2
Feb17° / 374.50.510.96.6
Mar20° / 243.40.311.87.8
Apr24° / 81.60.212.78.8
May29° / 13°41.1013.67.3
Jun33° / 18°102.40144.2
Jul32° / 20°9415.1013.83.6
Aug31° / 19°9216.4013.14.1
Sep30° / 17°497.7012.25.7
Oct26° / 12°223011.28.3
Nov21° / 232.8010.48.0
Dec16° / 364.60.5106.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27426
37525
47624
57723
67921
78020
88020
98218
108317
118416
128416
138614
148614
158713
168713
178713
188812
198812
208713
218713
228812
238812
248812
258812
268812
278812
288911
298911
308911

Chance of precipitation in September

Any precipitation

Nogales gets around 49 mm of rain over 7.7 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 26% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
145
244
343
442
541
639
738
836
935
1033
1131
1230
1328
1427
1525
1623
1722
1820
1919
2018
2117
2217
2316
2416
2516
2615
2715
2815
2914
3014

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
118224316
219234315
320244214
421254213
522264111
623274010
72427399
82628388
92828367
103128347
113328336
123528316
133828295
144127275
154427255
164726234
175025214
185324194
195623174
205822164
216121144
226320134
236619123
246818113
257017103
26721693
27751582
28761572
29771472
30791461

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:03 AM to 6:21 AM, and sunset from 6:44 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:036:44
212.66:046:42
312.66:056:41
412.66:056:40
512.56:066:38
612.56:066:37
712.56:076:36
812.46:086:34
912.46:086:33
1012.46:096:32
1112.46:096:30
1212.36:106:29
1312.36:116:28
1412.36:116:26
1512.26:126:25
1612.26:126:24
1712.26:136:22
1812.16:146:21
1912.16:146:20
2012.16:156:18
2112.06:166:17
2212.06:166:16
2312.06:176:14
2411.96:176:13
2511.96:186:12
2611.96:196:10
2711.86:196:09
2811.86:206:08
2911.86:216:06
3011.76:216:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.89 kWh/m².

For context, solar energy here swings from a low near 3.52 kWh/m² to a high of 8.31 kWh/m² in May across the year — September's 5.89 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Nogales?

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

5.7
Sightseeing
9th-best month of the year
7.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Nogales for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nogales in September

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

In September, Nogales sees daytime highs around 30°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Nogales 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 Nogales peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 12Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct7Very high
Nov5High
Dec4Moderate
Location & terrain

Where is Nogales?

Nogales sits at 31.3°N, 110.9°W, 1,214 m above sea level, in Mexico. The nearest listed city is Nogales, 4.0 km away.

Topography around Nogales

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nogales.

Within 3 km, the terrain around Nogales has only modest variations in elevation — a maximum elevation change of 231 m around an average of 1,263 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 710 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,297 m.

The land around Nogales is covered by artificial surfaces (62%) and shrubs (26%) within 3 km, shrubs (69%) and grassland (20%) within 16 km, and shrubs (79%) within 80 km.

3 km
231 m
16 km
710 m
80 km
2,297 m
treesshrubsgrasslandartificial surfacesbare terrain
September weather nearby: Nogales 4.0 km · Rio Rico 18 km · Green Valley 61 km · Sierra Vista 66 km · Cananea 71 km · Sahuarita 72 km · Magdalena de Kino 76 km · Vail 85 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Nogales (31.3086°, -110.9422°, elevation 1,214 m), 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).