Belgrano, Argentina — Weather in September 2026

Climate Overview

Belgrano, Argentina in September has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings. Sea temperature stays cool at 15.3°C (60°F).

This month falls at the beginning of Spring.

Daily highs in September gradually rise from around 16°C (60°F) at the start to 20°C (68°F) by month's end.

Rainfall is heaviest during the first third of the month, while the middle tends to be drier.

Expect around 7.9h of sunshine at the start of September, increasing to 9.2h by the end.

The warmest days tend to fall around the 30th, averaging 20.4°C (69°F).

Compared to August, this month is about 2°C warmer with 1 more rainy days. Temperatures will rise further into October.

Monthly September Averages

Temperature

19°C / 11°C

Feels Like

17°C / 8°C

Rain

6 days · 66 mm

Sunshine

8.9h / day

Humidity

73% — Humid

Wind

24 km/h

Wind Direction

E (95°)

Gusts

37 km/h

Daylight

11.9 h

Cloud Cover

49%

Clear Sky Days

8.1

UV Index

5.5 — High

Sea Temperature

15°C

Dew Point

10°C — Dry

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:53

Daylight 11.9h

Sunset 18:45

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	29°C / 21°C	31°C / 21°C	7days (64 mm) Good	11.9h Excellent	65% Muggy	8.9 Very High	Good	View Details
February best	28°C / 20°C	30°C / 20°C	7days (87 mm) Good	11h Excellent	68% Muggy	7.9 Very High	Excellent	View Details
March best	26°C / 18°C	27°C / 18°C	9days (109 mm) Wet	9.9h Good	71% Muggy	6.5 High	Excellent	View Details
April	22°C / 15°C	21°C / 13°C	8days (102 mm) Wet	8.2h Good	75% Muggy	4.6 Moderate	Good	View Details
May	18°C / 11°C	16°C / 9°C	7days (68 mm) Good	7.4h Good	77% Humid	3.3 Moderate	Good	View Details
June	15°C / 8°C	13°C / 5°C	6days (43 mm) Good	7h Good	78% Humid	2.9 Moderate	Good	View Details
July	14°C / 8°C	12°C / 4°C	8days (61 mm) Wet	7h Good	78% Humid	3.2 Moderate	Fair	View Details
August	16°C / 9°C	14°C / 5°C	5days (59 mm) Good	8.4h Good	74% Muggy	4.1 Moderate	Good	View Details
September	19°C / 11°C	17°C / 8°C	6days (66 mm) Good	8.9h Good	73% Muggy	5.5 High	Good	View Details
October	21°C / 13°C	21°C / 11°C	8days (84 mm) Wet	10h Excellent	69% Muggy	7.1 Very High	Good	View Details
November best	25°C / 17°C	26°C / 15°C	7days (77 mm) Good	11.3h Excellent	66% Muggy	7.9 Very High	Excellent	View Details
December best	28°C / 19°C	29°C / 18°C	7days (77 mm) Good	12.1h Excellent	63% Muggy	8.6 Very High	Excellent	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Belgrano?

September is typically good for visiting Belgrano, with average highs of 19°C (65°F) and around 6 rainy days. Belgrano, Argentina in September has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings.

Does it rain a lot in Belgrano in September?

Belgrano typically sees around 6 rainy days in September with 66 mm (2.6 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Belgrano in September?

Nights in Belgrano during September are cool at around 11°C (51°F). Bring a jacket or sweater for evenings.

What should I pack for Belgrano in September?

With highs of 19°C (65°F) and lows of 11°C (51°F) in September, we recommend: Warm evening layer, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Belgrano?

September is not the most favourable month weather-wise in Belgrano. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Belgrano in September?

The average UV index in Belgrano during September is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Belgrano in September?

Belgrano gets approximately 12 hours of daylight per day in September, with around 9 hours of sunshine.

Does it snow in Belgrano in September?

Snow is uncommon in Belgrano during September based on 10-year climate averages.

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