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

Banff Weather in September

Banff in September

The short of it: Banff in September averages a high of 16 °C (61 °F) and a low of 2 °C (36 °F), with 50 mm (2.0 in) of rain and about 12 h 33 min of daylight. Rated 4 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 16° · low 2° · rain 50 mm · daylight 12 h 33 min

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

September in Banff brings afternoons near 16° and nights around 2°, with about 50 mm of rain over the month. Highs fall 6° against August, to near 16°; nights run about 2°. Rain is modest, about 50 mm, the 4th wettest month.

The sun is up for about 12 h 33 min in mid-September, 121 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 4 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Banff runs cooler than most and wetter than most in September. Canmore, 18 km to the SE, is 1° warmer by day.

September in Banff, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus August
6° colder, 1.0 mm less rain
Versus October
7° warmer
Day–night spread
14°
Snow season
Nov–Apr
Daylight, mid-month
12 h 33 min
Average wind
9 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
CanmoreAlberta18 km SE17°2°54 mm
CochraneAlberta77 km E19°3°44 mm
TuscanyAlberta93 km E19°4°44 mm
Royal OakAlberta94 km E18°3°41 mm
Arbour LakeAlberta95 km E18°3°41 mm
West SpringsAlberta97 km E19°4°44 mm
CitadelAlberta97 km E18°3°41 mm
Aspen WoodsAlberta97 km E19°4°44 mm

The Almanac · Banff Month by Month

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

Highs fall 6° against August, to near 16°; nights run about 2°. Rain is modest, about 50 mm, the 4th wettest month.

Climate of Banff by month
MonthHighLowRainWindDaylightVisit
January-4°-13°26 mm11 km/h8 h 22 min✦✦
February-1°-13°21 mm10 km/h9 h 55 min✦✦
March3°-9°27 mm11 km/h11 h 43 min✦✦
April8°-4°36 mm10 km/h13 h 46 min✦✦✦
May13°0°53 mm10 km/h15 h 32 min✦✦✦
June17°4°71 mm10 km/h16 h 33 min✦✦✦
July22°7°48 mm9 km/h16 h 8 min✦✦✦✦
August22°6°51 mm9 km/h14 h 33 min✦✦✦✦
September16°2°50 mm9 km/h12 h 33 min✦✦✦✦
October9°-3°34 mm10 km/h10 h 34 min✦✦✦
November0°-8°32 mm11 km/h8 h 48 min✦✦
December-5°-14°26 mm10 km/h7 h 54 min✦✦

Questions Readers Ask about Banff in September

Answered from the wire & the Almanac

What is the weather like in Banff in September?

Days average 16 °C (61 °F) and nights 2 °C (36 °F), with about 50 mm (2.0 in) of rain over the month. Highs fall 6° against August, to near 16°; nights run about 2°. Rain is modest, about 50 mm, the 4th wettest month.

Is September a good time to visit Banff?

The Almanac gives September 4 of 5 (recommended). The best months are July and August.

How long are the days in Banff in September?

In mid-September the sun is up for about 12 h 33 min. The days are shortening — from 7 h 54 min in December to 16 h 33 min in June.

Does it snow in Banff in September?

Hardly — September nights average 2 °C (36 °F), above freezing.

What should I pack for Banff in September?

Layers, a warm coat and stout boots.

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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