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

Deline Weather in September

Deline in September

The short of it: Deline in September averages a high of 10 °C (50 °F) and a low of 2 °C (35 °F), with 46 mm (1.8 in) of rain and about 12 h 54 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 10° · low 2° · rain 46 mm · daylight 12 h 54 min

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

Thirty years of records give Deline an average September high of 10°, a low of 2° and some 46 mm of rain. Highs fall 6° against August, to near 10°; nights run about 2°. It is the wettest month of the year here, about 46 mm.

The sun is up for about 12 h 54 min in mid-September, 222 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Deline runs cooler than most and wetter than most in September. Norman Wells, 160 km to the W, is 1° warmer by day.

September in Deline, by the numbers

Warmth rank
4th warmest of 12
Rain rank
1st wettest of 12
Versus August
6° colder, 3.0 mm more rain
Versus October
10° warmer
Day–night spread
9°
Snow season
Oct–May
Daylight, mid-month
12 h 54 min
Average wind
12 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Norman WellsNorthwest Territories160 km W12°2°34 mm
Fort Good HopeNorthwest Territories266 km WNW11°1°38 mm
Fort SimpsonNorthwest Territories385 km SSE15°2°42 mm
Behchokǫ̀Northwest Territories446 km ESE12°3°36 mm

The Almanac · Deline Month by Month

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

Highs fall 6° against August, to near 10°; nights run about 2°. It is the wettest month of the year here, about 46 mm.

Climate of Deline by month
MonthHighLowRainWindDaylightVisit
January-19°-27°11 mm10 km/h4 h 51 min✦✦
February-17°-25°12 mm10 km/h8 h 13 min✦✦
March-12°-24°10 mm12 km/h11 h 27 min✦✦
April0°-13°11 mm13 km/h15 h 6 min✦✦
May9°-1°18 mm13 km/h18 h 45 min✦✦✦
June16°5°20 mm13 km/h22 h 7 min✦✦✦✦✦
July19°8°43 mm12 km/h20 h 23 min✦✦✦✦✦
August17°6°43 mm12 km/h16 h 36 min✦✦✦✦✦
September10°2°46 mm12 km/h12 h 54 min✦✦✦
October1°-5°28 mm12 km/h9 h 26 min✦✦✦
November-9°-16°23 mm11 km/h5 h 55 min✦✦
December-16°-23°12 mm10 km/h3 h 32 min✦✦

Questions Readers Ask about Deline in September

Answered from the wire & the Almanac

What is the weather like in Deline in September?

Days average 10 °C (50 °F) and nights 2 °C (35 °F), with about 46 mm (1.8 in) of rain over the month. Highs fall 6° against August, to near 10°; nights run about 2°. It is the wettest month of the year here, about 46 mm.

Is September a good time to visit Deline?

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

How long are the days in Deline in September?

In mid-September the sun is up for about 12 h 54 min. The days are shortening — from 3 h 32 min in December to 22 h 7 min in June.

Does it snow in Deline in September?

Hardly — September nights average 2 °C (35 °F), above freezing.

What should I pack for Deline 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
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