Diamante weather in September

In September, Diamante sees average daytime highs of 22°C and overnight lows near 11°C, with 62 mm of rain across 5.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Diamante's 5th-clearest and 1st-windiest month. For the whole year in context, see Diamante's year-round climate.

Daytime high
22°
8th warmest
Overnight low
11°
4th coldest
Rainfall
62 mm
5.6 wet days
Daylight
11 h 48 min
7:03 AM – 6:51 PM
Cloud cover
44%
5th clearest
Wind
13 km/h
1st windiest
Solar energy
4.81 kWh/m²
Travel score
7.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical September day in Diamante reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12110
22110
32110
42110
52110
62110
72110
82110
92111
102111
112111
122111
132111
142111
152211
162211
172211
182211
192211
202211
212211
222211
232211
242212
252212
262212
272212
282312
292312
302312

Diamante weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1128.513.95.1
Feb29° / 20°1138.313.25.6
Mar27° / 18°1367.912.26.8
Apr24° / 15°1108.711.27.3
May20° / 12°70610.46.9
Jun17° / 405.29.96.3
Jul17° / 354.410.16.2
Aug19° / 484.810.87.2
Sep22° / 11°625.611.87.5
Oct24° / 14°1249.712.87.2
Nov27° / 17°1147.813.67.0
Dec29° / 19°1298.614.15.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26337
36238
46238
56238
66337
76337
86436
96436
106535
116634
126634
136634
146634
156733
166733
176733
186733
196733
206634
216535
226436
236337
246238
256139
266040
275842
285743
295743
305644

Chance of precipitation in September

Any precipitation

Diamante gets around 62 mm of rain over 5.6 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 19% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
120
220
320
420
520
620
720
819
919
1018
1118
1218
1317
1417
1517
1617
1716
1816
1917
2017
2117
2218
2319
2419
2520
2621
2722
2823
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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771481
2771481
3771481
4771481
5771481
6771481
7771481
8781471
9781471
10781471
11791461
12781462
13781462
14781462
15791452
16791452
17791452
18791452
19791452
20781552
21771562
22761662
23751672
24741772
25741772
26721882
27721882
28701992
29701992
306820102

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over September. Sunrise moves from 7:23 AM to 6:44 AM, and sunset from 6:42 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:236:42
211.37:226:42
311.47:206:43
411.47:196:43
511.47:186:44
611.57:166:45
711.57:156:45
811.57:146:46
911.67:126:47
1011.67:116:47
1111.67:106:48
1211.77:086:49
1311.77:076:49
1411.77:056:50
1511.87:046:50
1611.87:036:51
1711.87:016:52
1811.97:006:52
1911.96:596:53
2011.96:576:54
2112.06:566:54
2212.06:546:55
2312.06:536:56
2412.16:526:56
2512.16:506:57
2612.16:496:58
2712.26:486:58
2812.26:466:59
2912.26:457:00
3012.36:447:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.81 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 7.21 kWh/m² in December across the year — September's 4.81 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.4Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Diamante?

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

7.5
Sightseeing
1st-best month of the year
4.9
Beach & pool
8th-best month of the year

September is one of the better times to visit Diamante for general sightseeing.

What to pack for Diamante in September

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

In September, Diamante sees daytime highs around 22°C and nights near 11°C. Worth packing: sun protection. About 6 days see rain.

sun protection

UV index in Diamante in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diamante peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Diamante 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 Diamante is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (April, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 918 µg/m³Apr 186 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun8Good
Jul13Moderate
Aug18Moderate
Sep18Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is Diamante?

Diamante sits at 32.1°S, 60.6°W, 17 m above sea level, in Argentina. The nearest listed city is Coronda, 28 km away.

Topography around Diamante

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

Within 3 km, the terrain around Diamante has only modest variations in elevation — a maximum elevation change of 92 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, only modest variations in elevation — a maximum elevation change of 119 m.

The land around Diamante is covered by grassland (24%), water (23%) and trees (21%) within 3 km, cropland (36%) and grassland (30%) within 16 km, and cropland (57%) within 80 km.

3 km
92 m
16 km
107 m
80 km
119 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Coronda 28 km · Crespo 32 km · Paraná 39 km · Santo Tomé 46 km · Santa Fe 47 km · Gálvez 55 km · Esperanza 74 km · Victoria 77 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 Diamante (-32.0671°, -60.6427°, elevation 17 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).