The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Cacouna Weather in September

Cacouna in September

The short of it: Cacouna in September averages a high of 18 °C (64 °F) and a low of 8 °C (47 °F), with 90 mm (3.5 in) of rain and about 12 h 30 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 90 mm · daylight 12 h 30 min

✦✦✦ Fair for a visit · best months: July & August

Thirty years of records give Cacouna an average September high of 18°, a low of 8° and some 90 mm of rain. Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 90 mm, the 3rd wettest month.

The sun is up for about 12 h 30 min in mid-September, 107 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Cacouna runs cooler than most and about as wet in September. Rivière-du-Loup, 10 km to the SSW, sees much the same highs.

September in Cacouna, by the numbers

Warmth rank
4th warmest of 12
Rain rank
3rd wettest of 12
Versus August
5° colder, 4.0 mm less rain
Versus October
7° warmer
Day–night spread
9°
Snow season
Nov–Apr
Daylight, mid-month
12 h 30 min
Average wind
15 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Rivière-du-LoupQuebec10 km SSW18°8°92 mm
L'Isle-VerteQuebec16 km NE18°8°90 mm
Saint-SiméonQuebec29 km WSW17°8°87 mm
TadoussacQuebec31 km NNW17°8°95 mm
Saint-AndréQuebec31 km SSW18°9°83 mm
Trois PistolesQuebec33 km NE17°8°92 mm
Sainte-Hélène-de-KamouraskaQuebec40 km SSW18°8°87 mm
Sacré-CoeurQuebec41 km NNW18°7°99 mm

The Almanac · Cacouna Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
September
✦✦✦✦✦

Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 90 mm, the 3rd wettest month.

Climate of Cacouna by month
MonthHighLowRainWindDaylightVisit
January-7°-15°72 mm23 km/h8 h 48 min✦
February-6°-15°66 mm22 km/h10 h 9 min✦
March0°-9°68 mm21 km/h11 h 45 min✦
April7°-1°65 mm19 km/h13 h 35 min✦✦
May14°5°84 mm16 km/h15 h 8 min✦✦
June20°10°83 mm15 km/h16 h 0 min✦✦✦
July23°13°82 mm14 km/h15 h 39 min✦✦✦
August22°12°94 mm14 km/h14 h 17 min✦✦✦
September18°8°90 mm15 km/h12 h 30 min✦✦✦
October11°3°105 mm18 km/h10 h 44 min✦✦
November4°-3°72 mm19 km/h9 h 11 min✦
December-3°-10°83 mm21 km/h8 h 24 min✦

Questions Readers Ask about Cacouna in September

Answered from the wire & the Almanac

What is the weather like in Cacouna in September?

Days average 18 °C (64 °F) and nights 8 °C (47 °F), with about 90 mm (3.5 in) of rain over the month. Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 90 mm, the 3rd wettest month.

Is September a good time to visit Cacouna?

The Almanac gives September 3 of 5 (fair). The best months are July and August.

How long are the days in Cacouna in September?

In mid-September the sun is up for about 12 h 30 min. The days are shortening — from 8 h 24 min in December to 16 h 0 min in June.

Does it snow in Cacouna in September?

Hardly — September nights average 8 °C (47 °F), above freezing.

What should I pack for Cacouna in September?

Layers, a warm coat and stout boots, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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