San Miguel de Tucuman weather in September

In September, San Miguel de Tucuman sees average daytime highs of 23°C and overnight lows near 11°C, with 81 mm of rain across 8.7 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is San Miguel de Tucuman's 3rd-clearest and 1st-windiest month. For the whole year in context, see San Miguel de Tucuman's year-round climate.

Daytime high
23°
7th warmest
Overnight low
11°
5th coldest
Rainfall
81 mm
8.7 wet days
Daylight
11 h 48 min
7:20 AM – 7:10 PM
Cloud cover
39%
3rd clearest
Wind
6 km/h
1st windiest
Solar energy
5.23 kWh/m²
Travel score
7.4
out of 10

San Miguel de Tucuman is capital of the Tucumán Province, located in northern Argentina.

Density
6,076/km²
people per km²
Founded
1565

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical September day in San Miguel de Tucuman reaches about 23°C in the afternoon and slips back to 11°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 30°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1229
22210
32210
42210
52210
62210
72310
82310
92310
102310
112310
122310
132310
142310
152311
162311
172311
182311
192311
202311
212411
222411
232411
242411
252412
262412
272412
282412
292412
302412

San Miguel de Tucuman weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°32319.813.54.8
Feb27° / 18°26518.212.95.0
Mar25° / 17°27019.812.25.2
Apr22° / 14°18915.511.45.8
May19° / 11°13313.510.75.8
Jun17° / 749.810.35.8
Jul18° / 507.610.56.4
Aug21° / 466.811.17.4
Sep23° / 11°818.711.87.4
Oct25° / 14°16914.512.66.3
Nov27° / 16°20615.613.35.7
Dec28° / 18°2491813.75.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37129
47129
57129
67030
76931
87030
97030
107030
117129
127129
137228
147228
157228
167228
177228
187129
197129
207129
217129
227030
237030
246931
256832
266832
276733
286535
296535
306535

Chance of precipitation in September

Any precipitation

San Miguel de Tucuman gets around 81 mm of rain over 8.7 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 29% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
224
325
425
526
626
726
826
926
1026
1126
1226
1327
1427
1527
1627
1728
1828
1929
2030
2130
2231
2332
2433
2534
2635
2736
2837
2938
3039

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19271
29172
39172
49172
59172
69172
79172
89172
99172
109172
119172
129172
139172
149172
159082
169082
178992
1888102
1988102
2087112
2185123
2284133
2383143
2482153
2580164
2679174
2777185
2876195
2974206
3074206

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over September. Sunrise moves from 7:37 AM to 7:03 AM, and sunset from 7:04 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:377:04
211.57:367:04
311.57:357:05
411.57:347:05
511.57:337:06
611.67:327:06
711.67:307:07
811.67:297:07
911.77:287:07
1011.77:277:08
1111.77:267:08
1211.77:257:09
1311.87:237:09
1411.87:227:10
1511.87:217:10
1611.87:207:10
1711.97:197:11
1811.97:177:11
1911.97:167:12
2012.07:157:12
2112.07:147:13
2212.07:137:13
2312.07:127:14
2412.17:107:14
2512.17:097:15
2612.17:087:15
2712.17:077:15
2812.27:067:16
2912.27:057:16
3012.27:037:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.23 kWh/m².

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.1 kWh/m² in December across the year — September's 5.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for San Miguel de Tucuman

In seasonPeak

None of San Miguel de Tucuman's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Miguel de Tucuman's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit San Miguel de Tucuman?

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

7.4
Sightseeing
1st-best month of the year
5.7
Beach & pool
1st-best month of the year

September is one of the better times to visit San Miguel de Tucuman for general sightseeing.

What to pack for San Miguel de Tucuman in September

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

In September, San Miguel de Tucuman sees daytime highs around 23°C and nights near 11°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in San Miguel de Tucuman in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Miguel de Tucuman peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 16UV 14Jul 10UV 4
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in San Miguel de Tucuman 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 San Miguel de Tucuman is worst in August — around 37 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (May, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodAug 2437 µg/m³May 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr10Good
May10Good
Jun12Good
Jul22Moderate
Aug37Poor
Sep36Poor
Oct22Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is San Miguel de Tucuman?

San Miguel de Tucuman sits at 26.8°S, 65.2°W, 440 m above sea level, in Argentina. The nearest listed city is Alderetes, 7.0 km away.

Topography around San Miguel de Tucuman

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel de Tucuman.

Within 3 km, the terrain around San Miguel de Tucuman has only modest variations in elevation — a maximum elevation change of 67 m around an average of 450 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,103 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,714 m.

The land around San Miguel de Tucuman is covered by artificial surfaces (85%) within 3 km, trees (35%) and cropland (34%) within 16 km, and cropland (39%) and trees (38%) within 80 km.

3 km
67 m
16 km
1,103 m
80 km
4,714 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Alderetes 7.0 km · Yerba Buena 8.0 km · Tafí Viejo 10 km · Bella Vista 26 km · Famaillá 33 km · Monteros 48 km · Aguilares 79 km · Termas de Río Hondo 83 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 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 San Miguel de Tucuman (-26.816°, -65.2105°, elevation 440 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. 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).