Berisso weather in September

In September, Berisso sees average daytime highs of 16°C and overnight lows near 12°C, with 81 mm of rain across 7.1 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Berisso's 8th-clearest and 1st-windiest month. For the whole year in context, see Berisso's year-round climate.

Daytime high: 16°; 9th warmest
Overnight low: 12°; 4th coldest
Rainfall: 81 mm; 7.1 wet days
Daylight: 11 h 48 min; 6:52 AM – 6:39 PM
Cloud cover: 53%; 8th clearest
Wind: 20 km/h; 1st windiest
Solar energy: 4.54 kWh/m²
Travel score: 5.3; out of 10

Berisso is city in Buenos Aires Province, Argentina.

Founded: 1871

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

← August Berisso year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical September day in Berisso reaches about 16°C in the afternoon and slips back to 12°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	15	15	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17
Avg low (°C)	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	15	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	12
9	15	12
10	15	12
11	16	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	16	12
21	16	12
22	16	12
23	16	12
24	16	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	13
30	17	13

Berisso weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 21°	79	6.5	14.1	7.6
Feb	25° / 21°	92	7.6	13.3	7.5
Mar	23° / 20°	93	7.1	12.3	7.6
Apr	20° / 16°	99	8.1	11.1	6.8
May	17° / 13°	72	6.8	10.2	5.7
Jun	14° / 10°	81	7.5	9.7	4.2
Jul	13° / 9°	83	7.4	9.9	3.7
Aug	14° / 10°	74	6.9	10.7	4.5
Sep	16° / 12°	81	7.1	11.8	5.3
Oct	19° / 15°	112	9.2	12.9	6.3
Nov	22° / 17°	97	7.8	13.8	7.1
Dec	24° / 20°	76	7.4	14.3	7.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 47%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	50	50	49	50	51	51	51	53	53	54	54	54	54	54	54	54	54	55	55	54	54	54	53	53	52	52	51	51	52	52
Cloudier (%)	50	50	51	50	49	49	49	47	47	46	46	46	46	46	46	46	46	45	45	46	46	46	47	47	48	48	49	49	48	48

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	51	49
6	51	49
7	51	49
8	53	47
9	53	47
10	54	46
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	55	45
19	55	45
20	54	46
21	54	46
22	54	46
23	53	47
24	53	47
25	52	48
26	52	48
27	51	49
28	51	49
29	52	48
30	52	48

Chance of precipitation in September

Any precipitation

Berisso gets around 81 mm of rain over 7.1 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 24% and peaks near 27% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	25	25	25	25	25	25	24	24	24	24	23	23	23	22	22	22	22	22	22	22	23	23	24	24	25	25	26	26	26	27

	Rain chance (%)
1	25
2	25
3	25
4	25
5	25
6	25
7	24
8	24
9	24
10	24
11	23
12	23
13	23
14	22
15	22
16	22
17	22
18	22
19	22
20	22
21	23
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	26
30	27

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	85	85	85	85	84	84	84	83	83	83	83	83	83	82	82	82	82	82	81	81	80	79	78	78	77	76	75	73	72	71
Comfortable (%)	13	13	13	13	13	13	13	14	14	14	14	14	14	15	15	15	15	15	16	16	17	18	19	19	20	21	22	23	24	25
Humid (%)	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4

	Dry (%)	Comfortable (%)	Humid (%)
1	85	13	2
2	85	13	2
3	85	13	2
4	85	13	2
5	84	13	3
6	84	13	3
7	84	13	3
8	83	14	3
9	83	14	3
10	83	14	3
11	83	14	3
12	83	14	3
13	83	14	3
14	82	15	3
15	82	15	3
16	82	15	3
17	82	15	3
18	82	15	3
19	81	16	3
20	81	16	3
21	80	17	3
22	79	18	3
23	78	19	3
24	78	19	3
25	77	20	3
26	76	21	3
27	75	22	3
28	73	23	4
29	72	24	4
30	71	25	4

Wind in September

Winds average 20 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	20	breezy
2	20	breezy
3	20	breezy
4	20	breezy
5	20	breezy
6	20	breezy
7	20	breezy
8	20	breezy
9	20	breezy
10	20	breezy
11	20	breezy
12	20	breezy
13	20	breezy
14	20	breezy
15	20	breezy
16	20	breezy
17	20	breezy
18	20	breezy
19	20	breezy
20	20	breezy
21	20	breezy
22	20	breezy
23	20	breezy
24	20	breezy
25	20	breezy
26	20	breezy
27	20	breezy
28	20	breezy
29	20	breezy
30	20	breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 12 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 66 minutes over September. Sunrise moves from 7:14 AM to 6:32 AM, and sunset from 6:28 PM to 6:50 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.2	11.3	11.3	11.3	11.4	11.4	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.2	12.2	12.2	12.3	12.3
Sunrise (AM)	7:14	7:13	7:11	7:10	7:09	7:07	7:06	7:04	7:03	7:01	7:00	6:58	6:57	6:55	6:54	6:52	6:51	6:49	6:48	6:46	6:45	6:43	6:42	6:40	6:39	6:37	6:36	6:34	6:33	6:32
Sunset (PM)	6:28	6:29	6:30	6:30	6:31	6:32	6:33	6:33	6:34	6:35	6:36	6:36	6:37	6:38	6:39	6:39	6:40	6:41	6:42	6:42	6:43	6:44	6:45	6:45	6:46	6:47	6:48	6:49	6:49	6:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.2	7:14	6:28
2	11.3	7:13	6:29
3	11.3	7:11	6:30
4	11.3	7:10	6:30
5	11.4	7:09	6:31
6	11.4	7:07	6:32
7	11.5	7:06	6:33
8	11.5	7:04	6:33
9	11.5	7:03	6:34
10	11.6	7:01	6:35
11	11.6	7:00	6:36
12	11.6	6:58	6:36
13	11.7	6:57	6:37
14	11.7	6:55	6:38
15	11.7	6:54	6:39
16	11.8	6:52	6:39
17	11.8	6:51	6:40
18	11.9	6:49	6:41
19	11.9	6:48	6:42
20	11.9	6:46	6:42
21	12.0	6:45	6:43
22	12.0	6:43	6:44
23	12.0	6:42	6:45
24	12.1	6:40	6:45
25	12.1	6:39	6:46
26	12.2	6:37	6:47
27	12.2	6:36	6:48
28	12.2	6:34	6:49
29	12.3	6:33	6:49
30	12.3	6:32	6:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 7.57 kWh/m² in December across the year — September's 4.54 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.9	3.9	3.9	4.0	4.0	4.1	4.1	4.2	4.3	4.3	4.4	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0
Level	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.9	Moderate
2	3.9	Moderate
3	3.9	Moderate
4	4.0	Moderate
5	4.0	Bright
6	4.1	Bright
7	4.1	Bright
8	4.2	Bright
9	4.3	Bright
10	4.3	Bright
11	4.4	Bright
12	4.4	Bright
13	4.5	Bright
14	4.5	Bright
15	4.6	Bright
16	4.6	Bright
17	4.7	Bright
18	4.7	Bright
19	4.7	Bright
20	4.8	Bright
21	4.8	Bright
22	4.8	Bright
23	4.9	Bright
24	4.9	Bright
25	4.9	Bright
26	4.9	Bright
27	5.0	Bright
28	5.0	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Is September a good time to visit Berisso?

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

5.3

Sightseeing

9th-best month of the year

0.6

Beach & pool

9th-best month of the year

September is a reasonable time to visit Berisso for sightseeing.

What to pack for Berisso in September

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

In September, Berisso sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer, sun protection and a windbreaker. About 7 days see rain.

a warm layersun protectiona windbreaker

Sea temperature near Berisso in September

The nearest coast averages about 15°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 25°C and coldest in July near 12°C.

It's comfortable for a long swim from Nov 10 to Apr 15 — about 5.2 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	25	25	23	20	17	13	12	13	15	18	21	23
Comfort	Warm	Warm	Refreshing	Refreshing	Cool	Bracing	Bracing	Bracing	Bracing	Cool	Refreshing	Refreshing

	Sea temperature (°C)	Comfort
Jan	25	Warm
Feb	25	Warm
Mar	23	Refreshing
Apr	20	Refreshing
May	17	Cool
Jun	13	Bracing
Jul	12	Bracing
Aug	13	Bracing
Sep	15	Bracing
Oct	18	Cool
Nov	21	Refreshing
Dec	23	Refreshing

UV index in Berisso 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 Berisso peaks around January 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	11	10	6	3	3	3	4	6	8	11	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	11	Extreme
Mar	10	Very high
Apr	6	High
May	3	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	8	Very high
Nov	11	Extreme
Dec	12	Extreme

Location & terrain

Where is Berisso?

Berisso sits at 34.9°S, 57.9°W, 7 m above sea level, in Argentina. The nearest listed city is Ensenada, 3.0 km away.

Topography around Berisso

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

Within 3 km, the terrain around Berisso has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 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 136 m.

The land around Berisso is covered by artificial surfaces (46%), trees (25%) and grassland (21%) within 3 km, water (41%) and grassland (31%) within 16 km, and water (39%) and grassland (31%) within 80 km.

3 km

15 m

artificial surfaces 46%

16 km

45 m

water 41%

80 km

136 m

water 39%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← August Berisso year-round climate October →Best places to visit in September

September weather nearby: Ensenada 3.0 km · La Plata 9.0 km · Berazategui 32 km · Quilmes 38 km · Magdalena 41 km · Colonia del Sacramento 46 km · Monte Chingolo 46 km · Coronel Brandsen 46 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

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 Berisso (-34.8715°, -57.8833°, elevation 7 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).

	Avg high (°C)	Avg low (°C)
1	15	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	12
9	15	12
10	15	12
11	16	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	16	12
21	16	12
22	16	12
23	16	12
24	16	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	13
30	17	13

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	51	49
6	51	49
7	51	49
8	53	47
9	53	47
10	54	46
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	55	45
19	55	45
20	54	46
21	54	46
22	54	46
23	53	47
24	53	47
25	52	48
26	52	48
27	51	49
28	51	49
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	25
4	25
5	25
6	25
7	24
8	24
9	24
10	24
11	23
12	23
13	23
14	22
15	22
16	22
17	22
18	22
19	22
20	22
21	23
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	26
30	27

	Dry (%)	Comfortable (%)	Humid (%)
1	85	13	2
2	85	13	2
3	85	13	2
4	85	13	2
5	84	13	3
6	84	13	3
7	84	13	3
8	83	14	3
9	83	14	3
10	83	14	3
11	83	14	3
12	83	14	3
13	83	14	3
14	82	15	3
15	82	15	3
16	82	15	3
17	82	15	3
18	82	15	3
19	81	16	3
20	81	16	3
21	80	17	3
22	79	18	3
23	78	19	3
24	78	19	3
25	77	20	3
26	76	21	3
27	75	22	3
28	73	23	4
29	72	24	4
30	71	25	4

	Avg high (°C)	Avg low (°C)
1	15	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	12
9	15	12
10	15	12
11	16	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	16	12
21	16	12
22	16	12
23	16	12
24	16	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	13
30	17	13

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	51	49
6	51	49
7	51	49
8	53	47
9	53	47
10	54	46
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	55	45
19	55	45
20	54	46
21	54	46
22	54	46
23	53	47
24	53	47
25	52	48
26	52	48
27	51	49
28	51	49
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	25
4	25
5	25
6	25
7	24
8	24
9	24
10	24
11	23
12	23
13	23
14	22
15	22
16	22
17	22
18	22
19	22
20	22
21	23
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	26
30	27

	Dry (%)	Comfortable (%)	Humid (%)
1	85	13	2
2	85	13	2
3	85	13	2
4	85	13	2
5	84	13	3
6	84	13	3
7	84	13	3
8	83	14	3
9	83	14	3
10	83	14	3
11	83	14	3
12	83	14	3
13	83	14	3
14	82	15	3
15	82	15	3
16	82	15	3
17	82	15	3
18	82	15	3
19	81	16	3
20	81	16	3
21	80	17	3
22	79	18	3
23	78	19	3
24	78	19	3
25	77	20	3
26	76	21	3
27	75	22	3
28	73	23	4
29	72	24	4
30	71	25	4

	Avg high (°C)	Avg low (°C)
1	15	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	12
9	15	12
10	15	12
11	16	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	16	12
21	16	12
22	16	12
23	16	12
24	16	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	13
30	17	13

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	50	50
5	51	49
6	51	49
7	51	49
8	53	47
9	53	47
10	54	46
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	55	45
19	55	45
20	54	46
21	54	46
22	54	46
23	53	47
24	53	47
25	52	48
26	52	48
27	51	49
28	51	49
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	25
4	25
5	25
6	25
7	24
8	24
9	24
10	24
11	23
12	23
13	23
14	22
15	22
16	22
17	22
18	22
19	22
20	22
21	23
22	23
23	24
24	24
25	25
26	25
27	26
28	26
29	26
30	27

	Dry (%)	Comfortable (%)	Humid (%)
1	85	13	2
2	85	13	2
3	85	13	2
4	85	13	2
5	84	13	3
6	84	13	3
7	84	13	3
8	83	14	3
9	83	14	3
10	83	14	3
11	83	14	3
12	83	14	3
13	83	14	3
14	82	15	3
15	82	15	3
16	82	15	3
17	82	15	3
18	82	15	3
19	81	16	3
20	81	16	3
21	80	17	3
22	79	18	3
23	78	19	3
24	78	19	3
25	77	20	3
26	76	21	3
27	75	22	3
28	73	23	4
29	72	24	4
30	71	25	4