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

Kelowna in September

The short of it: Kelowna in September averages a high of 23 °C (73 °F) and a low of 9 °C (48 °F), with 27 mm (1.1 in) of rain and about 12 h 31 min of daylight. Rated 5 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.

Average high 23° · low 9° · rain 27 mm · daylight 12 h 31 min

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

Thirty years of records give Kelowna an average September high of 23°, a low of 9° and some 27 mm of rain. Highs fall 6° against August, to near 23°; nights run about 9°. Rain is modest, about 27 mm, the 7th wettest month.

The sun is up for about 12 h 31 min in mid-September, 115 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; it is the best month of the year to come.

Against its neighbours, Kelowna runs warmer than most and about as wet in September. Lakeview Heights, 4 km to the WSW, sees much the same highs.

September in Kelowna, by the numbers

Warmth rank
4th warmest of 12
Rain rank
7th wettest of 12
Versus August
6° colder, 6.0 mm more rain
Versus October
8° warmer
Day–night spread
14°
Snow season
Dec–Feb
Daylight, mid-month
12 h 31 min
Average wind
7 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Lakeview HeightsBritish Columbia4 km WSW22°9°24 mm
Traders CoveBritish Columbia7 km NNW21°8°30 mm
West KelownaBritish Columbia7 km WSW22°8°26 mm
Okanagan MissionBritish Columbia7 km S22°8°25 mm
RutlandBritish Columbia7 km ENE23°8°28 mm
EllisonBritish Columbia10 km ENE22°7°30 mm
Smith CreekBritish Columbia10 km WSW21°8°26 mm
GellatlyBritish Columbia12 km SW22°9°23 mm

The Almanac · Kelowna 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 23°; nights run about 9°. Rain is modest, about 27 mm, the 7th wettest month.

Climate of Kelowna by month
MonthHighLowRainWindDaylightVisit
January2°-4°33 mm8 km/h8 h 32 min✦✦✦
February4°-4°19 mm7 km/h10 h 1 min✦✦✦
March9°0°24 mm9 km/h11 h 44 min✦✦✦
April16°4°26 mm9 km/h13 h 41 min✦✦✦✦
May21°8°33 mm8 km/h15 h 22 min✦✦✦✦✦
June24°11°43 mm8 km/h16 h 19 min✦✦✦✦✦
July29°14°26 mm8 km/h15 h 56 min✦✦✦✦✦
August29°13°21 mm8 km/h14 h 27 min✦✦✦✦✦
September23°9°27 mm7 km/h12 h 31 min✦✦✦✦✦
October14°4°33 mm7 km/h10 h 38 min✦✦✦✦
November8°1°36 mm8 km/h8 h 57 min✦✦✦
December3°-2°32 mm8 km/h8 h 7 min✦✦✦

Questions Readers Ask about Kelowna in September

Answered from the wire & the Almanac

What is the weather like in Kelowna in September?

Days average 23 °C (73 °F) and nights 9 °C (48 °F), with about 27 mm (1.1 in) of rain over the month. Highs fall 6° against August, to near 23°; nights run about 9°. Rain is modest, about 27 mm, the 7th wettest month.

Is September a good time to visit Kelowna?

The Almanac gives September 5 of 5 (recommended). It is the best month of the year to visit.

How long are the days in Kelowna in September?

In mid-September the sun is up for about 12 h 31 min. The days are shortening — from 8 h 7 min in December to 16 h 19 min in June.

Does it snow in Kelowna in September?

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

What should I pack for Kelowna in September?

Light clothes and a jacket for the evening.

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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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