San José de Metán weather in September

In September, San José de Metán sees average daytime highs of 24°C and overnight lows near 9°C, with 20 mm of rain across 4.4 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 23°C in the first days to 24°C by the end. The sky is clear or mostly clear about 56% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 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 José de Metán's 3rd-clearest and 1st-windiest month. For the whole year in context, see San José de Metán's year-round climate.

Daytime high
24°
7th warmest
Overnight low
5th coldest
Rainfall
20 mm
4.4 wet days
Daylight
11 h 54 min
7:19 AM – 7:10 PM
Cloud cover
40%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
5.28 kWh/m²
Travel score
8.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 24°C by the end.

A typical September day in San José de Metán reaches about 24°C in the afternoon and slips back to 9°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 31°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)
1238
2238
3238
4238
5239
6239
7239
8239
9239
10239
11239
12239
13239
14239
15249
16249
17249
182410
192410
202410
212410
222410
232410
242410
252410
262411
272411
282411
292511
302511

San José de Metán 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
Jan27° / 17°25321.713.44.7
Feb25° / 17°20519.712.94.9
Mar24° / 16°16919.512.25.3
Apr22° / 13°831311.46.0
May19° / 368.310.86.4
Jun18° / 164.810.46.9
Jul18° / 113.410.67.3
Aug21° / 133.111.18.1
Sep24° / 204.411.88.1
Oct26° / 13°6611.312.66.6
Nov26° / 15°10815.413.25.7
Dec27° / 17°20219.513.65.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37228
47228
57129
67030
77030
86931
96931
107030
116931
126931
136931
146931
156931
166931
176931
186832
196733
206733
216634
226634
236535
246535
256337
266238
276139
286139
296040
305941

Chance of precipitation in September

Any precipitation

San José de Metán gets around 20 mm of rain over 4.4 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 16% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
111
211
311
412
512
612
712
812
912
1012
1112
1212
1312
1413
1513
1613
1714
1815
1915
2016
2117
2218
2319
2420
2521
2622
2723
2824
2925
3026

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19730
29730
39730
49730
59730
69730
79730
89730
99730
109730
119730
129730
139640
149640
159640
169640
179550
189550
199550
209460
219460
229370
239370
249280
259280
269091
279091
2889101
2989101
3088111

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

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

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 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 42 minutes over September. Sunrise moves from 7:35 AM to 7:03 AM, and sunset from 7:04 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:357:04
211.57:347:04
311.57:337:05
411.57:327:05
511.67:317:05
611.67:307:06
711.67:297:06
811.67:287:07
911.77:277:07
1011.77:257:07
1111.77:247:08
1211.87:237:08
1311.87:227:09
1411.87:217:09
1511.87:207:09
1611.97:197:10
1711.97:177:10
1811.97:167:11
1911.97:157:11
2012.07:147:11
2112.07:137:12
2212.07:127:12
2312.07:117:13
2412.17:107:13
2512.17:087:13
2612.17:077:14
2712.17:067:14
2812.27:057:15
2912.27:047:15
3012.27:037:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 5.82 kWh/m² in December across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for San José de Metán

In seasonPeak

None of San José de Metán'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 José de Metán's monsoon runs December–March, when most of the year's rain falls.

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

Is September a good time to visit San José de Metán?

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

8.1
Sightseeing
1st-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for San José de Metán in September

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

In September, San José de Metán sees daytime highs around 24°C and nights near 9°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in San José de Metán 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 San José de Metán peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is San José de Metán?

San José de Metán sits at 25.5°S, 65.0°W, 828 m above sea level, in Argentina. The nearest listed city is Rosario de la Frontera, 34 km away.

Topography around San José de Metán

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

Within 3 km, the terrain around San José de Metán has significant variations in elevation — a maximum elevation change of 260 m around an average of 867 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,623 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,789 m.

The land around San José de Metán is covered by cropland (45%) and trees (29%) within 3 km, trees (52%) and cropland (43%) within 16 km, and trees (56%) within 80 km.

3 km
260 m
16 km
1,623 m
80 km
2,789 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Rosario de la Frontera 34 km · Rosario de Lerma 83 km · San José de los Cerrillos 84 km · Salta 89 km · General Güemes 92 km · Joaquín V. González 95 km · San Lorenzo 99 km · Cafayate 119 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 José de Metán (-25.4971°, -64.9711°, elevation 828 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).