Argyll, Canada — Weather in September 2026

Climate Overview

Argyll, Canada in September has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings. Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 22°C (71°F) at the start to 16°C (61°F) by month's end.

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

Expect around 10.4h of sunshine at the start of September, decreasing to 8.8h by the end.

The warmest days tend to fall around the 1th, averaging 22.1°C (72°F).

Compared to August, this month is about 5°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

19°C / 8°C

Feels Like

16°C / 6°C

Rain

7 days · 34 mm

Sunshine

9.3h / day

Humidity

67% — Humid

Wind

18 km/h

Wind Direction

WSW (246°)

Gusts

36 km/h

Daylight

12.7 h

Cloud Cover

51%

Clear Sky Days

6.1

UV Index

4.4 — Moderate

Dew Point

7°C — Dry

Moon Phase

Waxing Crescent · 11%

Snow Days

1 days · 2.6 cm

Frost Days

1 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:09

Daylight 12.7h

Sunset 19:52

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-6°C / -14°C	-11°C / -20°C	6days (20 mm) Good	4.7h Fair	80% Humid	1.3 Low	Poor	View Details
February	-6°C / -16°C	-11°C / -21°C	4days (15 mm) Good	6.6h Fair	76% Humid	2.3 Moderate	Poor	View Details
March	1°C / -9°C	-3°C / -14°C	5days (21 mm) Good	8.6h Good	76% Humid	3.8 Moderate	Poor	View Details
April	10°C / -2°C	6°C / -6°C	5days (24 mm) Good	10.5h Excellent	63% Muggy	5 Moderate	Poor	View Details
May	18°C / 6°C	16°C / 3°C	9days (62 mm) Wet	11.9h Excellent	60% Moderate	5.6 High	Fair	View Details
June best	21°C / 11°C	20°C / 9°C	13days (99 mm) Wet	12.4h Excellent	66% Muggy	6.1 High	Good	View Details
July best	24°C / 14°C	24°C / 12°C	14days (91 mm) Wet	12.5h Excellent	71% Muggy	6.3 High	Excellent	View Details
August best	23°C / 13°C	23°C / 11°C	10days (74 mm) Wet	11.2h Excellent	70% Muggy	5.5 High	Excellent	View Details
September best	19°C / 8°C	16°C / 6°C	7days (34 mm) Good	9.3h Good	67% Muggy	4.4 Moderate	Excellent	View Details
October	10°C / 1°C	6°C / -3°C	5days (23 mm) Good	6.9h Fair	68% Muggy	2.6 Moderate	Poor	View Details
November	0°C / -7°C	-4°C / -12°C	6days (25 mm) Good	4.7h Fair	79% Humid	1.4 Low	Poor	View Details
December	-7°C / -15°C	-12°C / -20°C	6days (22 mm) Good	4.1h Fair	79% Humid	1 Low	Poor	View Details

What to Wear

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

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

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 Argyll?

September is typically excellent for visiting Argyll, with average highs of 19°C (65°F) and around 7 rainy days. Argyll, Canada in September has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings. Temp

Does it rain a lot in Argyll in September?

Argyll typically sees around 7 rainy days in September with 34 mm (1.3 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Argyll in September?

Nights in Argyll during September are cool at around 8°C (47°F). Bring a jacket or sweater for evenings.

What should I pack for Argyll in September?

With highs of 19°C (65°F) and lows of 8°C (47°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 Argyll?

Yes, September offers some of the best weather conditions in Argyll with comfortable temperatures and lower chances of rain.

What is the UV index in Argyll in September?

The average UV index in Argyll during September is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.

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

Argyll gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.

Does it snow in Argyll in September?

Yes, Argyll typically sees around 1 snow days in September with roughly 3 cm (1 in) of snowfall.

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