Esperanza weather in September

In September, Esperanza sees average daytime highs of 22°C and overnight lows near 11°C, with 61 mm of rain across 5.8 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 52% 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 Esperanza's 2nd-clearest and 1st-windiest month. For the whole year in context, see Esperanza's year-round climate.

Daytime high
22°
8th warmest
Overnight low
11°
4th coldest
Rainfall
61 mm
5.8 wet days
Daylight
11 h 48 min
7:04 AM – 6:52 PM
Cloud cover
43%
2nd clearest
Wind
13 km/h
1st windiest
Solar energy
4.87 kWh/m²
Travel score
7.6
out of 10

Esperanza is city in Santa Fe Province, Argentina.

Density
124/km²
people per km²
Founded
1856

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 21°C in the first days to 23°C by the end.

A typical September day in Esperanza reaches about 22°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 29°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12110
22110
32110
42110
52110
62110
72210
82210
92210
102210
112210
122210
132210
142210
152211
162211
172211
182211
192311
202311
212311
222311
232311
242311
252311
262312
272312
282312
292312
302312

Esperanza 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°1119.213.85.0
Feb29° / 19°1228.713.15.5
Mar28° / 17°1378.812.26.6
Apr24° / 14°1128.311.37.4
May21° / 11°716.110.47.0
Jun18° / 435106.5
Jul17° / 344.310.26.5
Aug20° / 444.310.97.4
Sep22° / 11°615.811.87.6
Oct25° / 14°1319.412.87.2
Nov28° / 16°1168.213.66.7
Dec30° / 18°1278.7145.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76535
86535
96634
106733
116733
126832
136832
146832
156931
166931
176931
186931
196832
206832
216733
226634
236535
246436
256337
266139
276040
286040
295941
305842

Chance of precipitation in September

Any precipitation

Esperanza gets around 61 mm of rain over 5.8 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 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
119
220
320
420
520
620
720
820
919
1019
1118
1218
1318
1417
1517
1617
1717
1817
1917
2017
2117
2218
2319
2419
2520
2621
2722
2823
2924
3025

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 (%)
1761482
2761482
3751582
4761572
5771472
6771472
7771472
8771472
9771472
10781462
11781462
12781462
13791452
14791353
15791353
16791353
17791353
18791353
19791353
20781453
21771463
22761563
23761563
24741673
25731773
26721783
27711883
28711883
29691894
30681994

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 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light 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
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 7:24 AM to 6:45 AM, and sunset from 6:43 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:246:43
211.47:226:44
311.47:216:44
411.47:206:45
511.57:186:46
611.57:176:46
711.57:166:47
811.67:146:48
911.67:136:48
1011.67:126:49
1111.67:106:49
1211.77:096:50
1311.77:086:51
1411.77:066:51
1511.87:056:52
1611.87:046:52
1711.87:026:53
1811.97:016:54
1911.97:006:54
2011.96:586:55
2112.06:576:55
2212.06:566:56
2312.06:546:57
2412.16:536:57
2512.16:526:58
2612.16:506:59
2712.26:496:59
2812.26:487:00
2912.26:467:01
3012.36:457:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.87 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 7.22 kWh/m² in December across the year — September's 4.87 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Esperanza?

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

7.6
Sightseeing
1st-best month of the year
5.4
Beach & pool
8th-best month of the year

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

What to pack for Esperanza in September

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

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

light clothessun protection

UV index in Esperanza 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 Esperanza peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Esperanza?

Esperanza sits at 31.4°S, 60.9°W, 40 m above sea level, in Argentina. The nearest listed city is Santo Tomé, 28 km away.

Topography around Esperanza

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

Within 3 km, the terrain around Esperanza has only modest variations in elevation — a maximum elevation change of 12 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 121 m.

The land around Esperanza is covered by cropland (44%), artificial surfaces (29%) and grassland (23%) within 3 km, cropland (74%) within 16 km, and cropland (62%) and grassland (22%) within 80 km.

3 km
12 m
16 km
45 m
80 km
121 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Santo Tomé 28 km · Santa Fe 31 km · Paraná 49 km · Rafaela 57 km · Coronda 58 km · Gálvez 70 km · Diamante 74 km · San Justo 80 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 Esperanza (-31.4496°, -60.9315°, elevation 40 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).