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

Carleton Place Weather in September

Carleton Place in September

The short of it: Carleton Place in September averages a high of 21 °C (70 °F) and a low of 10 °C (50 °F), with 83 mm (3.3 in) of rain and about 12 h 27 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 21° · low 10° · rain 83 mm · daylight 12 h 27 min

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

Thirty years of records give Carleton Place an average September high of 21°, a low of 10° and some 83 mm of rain. The year turns hard here: highs drop 4° from August to about 21°, with nights near 10°. Wet spells are common — about 83 mm, the 3rd wettest month.

The sun is up for about 12 h 27 min in mid-September, 97 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, Carleton Place runs about middling and about as wet in September. Almonte, 11 km to the NNW, sees much the same highs.

September in Carleton Place, by the numbers

Warmth rank
4th warmest of 12
Rain rank
3rd wettest of 12
Versus August
4° colder, 5.0 mm more rain
Versus October
8° warmer
Day–night spread
11°
Snow season
Nov–Apr
Daylight, mid-month
12 h 27 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
AlmonteOntario11 km NNW21°10°79 mm
Mississippi MillsOntario12 km NNW21°10°79 mm
StittsvilleOntario22 km NE22°10°84 mm
RichmondOntario25 km ENE21°10°82 mm
KanataOntario26 km NE22°10°84 mm
PerthOntario27 km SSW21°10°88 mm
Smiths FallsOntario27 km SSE21°10°87 mm
Glen CairnOntario28 km NE22°10°84 mm

The Almanac · Carleton Place 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 21°, with nights near 10°. Wet spells are common — about 83 mm, the 3rd wettest month.

Climate of Carleton Place by month
MonthHighLowRainWindDaylightVisit
January-5°-15°66 mm13 km/h9 h 7 min✦
February-4°-14°47 mm14 km/h10 h 20 min✦
March2°-8°56 mm13 km/h11 h 47 min✦
April10°0°72 mm14 km/h13 h 26 min✦
May18°6°76 mm12 km/h14 h 51 min✦✦✦
June23°12°92 mm10 km/h15 h 37 min✦✦✦
July26°15°98 mm10 km/h15 h 18 min✦✦✦
August25°14°78 mm10 km/h14 h 4 min✦✦✦
September21°10°83 mm10 km/h12 h 27 min✦✦✦
October13°4°82 mm13 km/h10 h 51 min✦✦
November6°-2°73 mm13 km/h9 h 27 min✦
December-1°-9°63 mm14 km/h8 h 46 min✦

Questions Readers Ask about Carleton Place in September

Answered from the wire & the Almanac

What is the weather like in Carleton Place in September?

Days average 21 °C (70 °F) and nights 10 °C (50 °F), with about 83 mm (3.3 in) of rain over the month. The year turns hard here: highs drop 4° from August to about 21°, with nights near 10°. Wet spells are common — about 83 mm, the 3rd wettest month.

Is September a good time to visit Carleton Place?

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

How long are the days in Carleton Place in September?

In mid-September the sun is up for about 12 h 27 min. The days are shortening — from 8 h 46 min in December to 15 h 37 min in June.

Does it snow in Carleton Place in September?

Hardly — September nights average 10 °C (50 °F), above freezing.

What should I pack for Carleton Place 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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