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

Farnham Weather in September

Farnham in September

The short of it: Farnham in September averages a high of 21 °C (70 °F) and a low of 10 °C (50 °F), with 82 mm (3.2 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 82 mm · daylight 12 h 27 min

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

Thirty years of records give Farnham an average September high of 21°, a low of 10° and some 82 mm of rain. Highs fall 4° against August, to near 21°; nights run about 10°. Wet spells are common — about 82 mm, the 9th 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, Farnham runs cooler than most and about as wet in September. Saint-Jean-sur-Richelieu, 22 km to the W, is 1° warmer by day.

September in Farnham, by the numbers

Warmth rank
4th warmest of 12
Rain rank
9th wettest of 12
Versus August
4° colder, 22 mm less rain
Versus October
8° warmer
Day–night spread
11°
Snow season
Nov–Mar
Daylight, mid-month
12 h 27 min
Average wind
8 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Saint-Jean-sur-RichelieuQuebec22 km W22°11°82 mm
GranbyQuebec23 km ENE21°10°88 mm
ChamblyQuebec30 km NW22°11°81 mm
Saint-HyacintheQuebec39 km N22°10°75 mm
Saint-Bruno-de-MontarvilleQuebec40 km NW22°11°85 mm
Saint-HubertQuebec42 km NW22°10°84 mm
BrossardQuebec42 km WNW22°11°84 mm
La PrairieQuebec43 km WNW22°11°84 mm

The Almanac · Farnham Month by Month

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

Highs fall 4° against August, to near 21°; nights run about 10°. Wet spells are common — about 82 mm, the 9th wettest month.

Climate of Farnham by month
MonthHighLowRainWindDaylightVisit
January-5°-14°73 mm10 km/h9 h 6 min✦
February-3°-14°60 mm10 km/h10 h 20 min✦
March2°-7°66 mm10 km/h11 h 47 min✦
April11°1°97 mm11 km/h13 h 27 min✦✦
May19°7°100 mm10 km/h14 h 51 min✦✦✦
June23°12°112 mm8 km/h15 h 38 min✦✦✦
July26°15°112 mm8 km/h15 h 19 min✦✦✦
August25°14°104 mm7 km/h14 h 5 min✦✦✦
September21°10°82 mm8 km/h12 h 27 min✦✦✦
October13°4°126 mm9 km/h10 h 51 min✦✦
November6°-2°90 mm10 km/h9 h 27 min✦
December-1°-8°92 mm10 km/h8 h 45 min✦

Questions Readers Ask about Farnham in September

Answered from the wire & the Almanac

What is the weather like in Farnham in September?

Days average 21 °C (70 °F) and nights 10 °C (50 °F), with about 82 mm (3.2 in) of rain over the month. Highs fall 4° against August, to near 21°; nights run about 10°. Wet spells are common — about 82 mm, the 9th wettest month.

Is September a good time to visit Farnham?

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

How long are the days in Farnham in September?

In mid-September the sun is up for about 12 h 27 min. The days are shortening — from 8 h 45 min in December to 15 h 38 min in June.

Does it snow in Farnham in September?

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

What should I pack for Farnham in September?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

More Towns in Canada

All towns in Canada →

Toronto · Montréal · Calgary · Ottawa · Edmonton · Winnipeg · Mississauga · Vancouver · Brampton · Hamilton · Surrey · Québec

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