Firmat weather in September

In September, Firmat sees average daytime highs of 21°C and overnight lows near 9°C, with 57 mm of rain across 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 20°C in the first days to 21°C by the end. The sky is clear or mostly clear about 49% 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 Firmat's 7th-clearest and 2nd-windiest month. For the whole year in context, see Firmat's year-round climate.

Daytime high
21°
8th warmest
Overnight low
4th coldest
Rainfall
57 mm
6 wet days
Daylight
11 h 48 min
7:06 AM – 6:54 PM
Cloud cover
45%
7th clearest
Wind
14 km/h
2nd windiest
Solar energy
4.75 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 21°C by the end.

A typical September day in Firmat reaches about 21°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, September runs about 3°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1198
2208
3208
4208
5208
6209
7209
8209
9209
10209
11209
12209
13209
14209
15209
16219
17219
18219
19219
20219
21219
222110
232110
242110
252110
262110
272110
282110
292110
302210

Firmat 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
Jan29° / 18°1058.9145.7
Feb28° / 18°1118.913.26.4
Mar26° / 16°1128.312.37.1
Apr23° / 13°888.111.27.3
May19° / 10°635.710.36.8
Jun16° / 304.49.85.7
Jul15° / 274.1105.5
Aug18° / 414.410.86.8
Sep21° / 57611.87.2
Oct23° / 12°1089.512.87.1
Nov26° / 15°1108.713.77.0
Dec29° / 17°1109.114.26.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 38%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36337
46436
56436
66436
76535
86436
96535
106634
116634
126535
136535
146535
156436
166436
176337
186337
196238
206139
216139
225941
235941
245842
255842
265743
275743
285644
295644
305545

Chance of precipitation in September

Any precipitation

Firmat gets around 57 mm of rain over 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 21% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
117
218
318
418
518
618
718
818
918
1018
1118
1218
1318
1418
1518
1619
1719
1819
1920
2021
2121
2222
2323
2424
2525
2625
2726
2827
2927
3028

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
187940
287940
387940
487940
587940
688840
788840
888840
988840
1088840
1188840
1288840
1388840
1489830
1589830
1688831
1788831
1888831
1987931
2087931
21861031
22861031
23851131
24851131
25841231
26831331
27821341
28811441
29821440
30801550

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 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
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3015light 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 7:27 AM to 6:46 AM, and sunset from 6:44 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:276:44
211.37:266:44
311.37:256:45
411.47:236:46
511.47:226:47
611.47:216:47
711.57:196:48
811.57:186:49
911.57:166:49
1011.67:156:50
1111.67:146:51
1211.77:126:51
1311.77:116:52
1411.77:096:53
1511.87:086:53
1611.87:066:54
1711.87:056:55
1811.97:046:56
1911.97:026:56
2011.97:016:57
2112.06:596:58
2212.06:586:58
2312.06:566:59
2412.16:557:00
2512.16:537:00
2612.26:527:01
2712.26:517:02
2812.26:497:03
2912.36:487:03
3012.36:467:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.75 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 7.32 kWh/m² in December across the year — September's 4.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Firmat?

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

7.2
Sightseeing
2nd-best month of the year
4.0
Beach & pool
8th-best month of the year

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

What to pack for Firmat in September

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

In September, Firmat sees daytime highs around 21°C and nights near 9°C. Worth packing: sun protection. About 6 days see rain.

sun protection

UV index in Firmat in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Firmat peaks around January 15 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Firmat?

Firmat sits at 33.5°S, 61.5°W, 109 m above sea level, in Argentina. The nearest listed city is Casilda, 55 km away.

Topography around Firmat

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

Within 3 km, the terrain around Firmat has only modest variations in elevation — a maximum elevation change of 24 m around an average of 103 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 106 m.

The land around Firmat is covered by cropland (71%) within 3 km, cropland (88%) within 16 km, and cropland (92%) within 80 km.

3 km
24 m
16 km
42 m
80 km
106 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Casilda 55 km · Venado Tuerto 55 km · Colón 60 km · Cañada de Gómez 72 km · Carcarañá 74 km · Pérez 84 km · Gobernador Gálvez 92 km · Arroyo Seco 96 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 Firmat (-33.4594°, -61.4832°, elevation 109 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).