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

Renfrew in September

The short of it: Renfrew in September averages a high of 22 °C (71 °F) and a low of 9 °C (48 °F), with 71 mm (2.8 in) of rain and about 12 h 28 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 9° · rain 71 mm · daylight 12 h 28 min

✦✦✦ Fair for a visit · best months: June & September

September in Renfrew brings afternoons near 22° and nights around 9°, with about 71 mm of rain over the month. The year turns hard here: highs drop 4° from August to about 22°, with nights near 9°. Wet spells are common — about 71 mm, the 7th wettest month.

The sun is up for about 12 h 28 min in mid-September, 98 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are June and September.

Against its neighbours, Renfrew runs warmer than most and drier than most in September. Shawville, 22 km to the NE, sees much the same highs.

September in Renfrew, by the numbers

Warmth rank
4th warmest of 12
Rain rank
7th wettest of 12
Versus August
4° colder, 12 mm less rain
Versus October
8° warmer
Day–night spread
13°
Snow season
Nov–Apr
Daylight, mid-month
12 h 28 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
ShawvilleQuebec22 km NE21°9°78 mm
CobdenOntario24 km NW22°9°78 mm
ArnpriorOntario26 km E22°10°75 mm
EganvilleOntario33 km WNW21°8°79 mm
Fort-CoulongeQuebec42 km N21°9°82 mm
Mississippi MillsOntario46 km SE21°10°79 mm
AlmonteOntario46 km SE21°10°79 mm
Constance BayOntario47 km E21°10°84 mm

The Almanac · Renfrew Month by Month

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

The year turns hard here: highs drop 4° from August to about 22°, with nights near 9°. Wet spells are common — about 71 mm, the 7th wettest month.

Climate of Renfrew by month
MonthHighLowRainWindDaylightVisit
January-6°-17°59 mm12 km/h9 h 5 min✦
February-4°-16°50 mm12 km/h10 h 19 min✦
March2°-10°52 mm12 km/h11 h 47 min✦
April10°-1°76 mm13 km/h13 h 27 min✦✦
May19°5°80 mm12 km/h14 h 53 min✦✦✦
June24°10°80 mm10 km/h15 h 39 min✦✦✦
July27°13°81 mm9 km/h15 h 20 min✦✦✦
August26°13°83 mm9 km/h14 h 6 min✦✦✦
September22°9°71 mm10 km/h12 h 28 min✦✦✦
October14°3°78 mm12 km/h10 h 51 min✦✦
November6°-3°66 mm12 km/h9 h 25 min✦✦
December-2°-10°57 mm12 km/h8 h 43 min✦

Questions Readers Ask about Renfrew in September

Answered from the wire & the Almanac

What is the weather like in Renfrew in September?

Days average 22 °C (71 °F) and nights 9 °C (48 °F), with about 71 mm (2.8 in) of rain over the month. The year turns hard here: highs drop 4° from August to about 22°, with nights near 9°. Wet spells are common — about 71 mm, the 7th wettest month.

Is September a good time to visit Renfrew?

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

How long are the days in Renfrew in September?

In mid-September the sun is up for about 12 h 28 min. The days are shortening — from 8 h 43 min in December to 15 h 39 min in June.

Does it snow in Renfrew in September?

Hardly — September nights average 9 °C (48 °F), above freezing.

What should I pack for Renfrew in September?

Light clothes and a jacket for the evening, 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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