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

Dover Weather in September

Dover in September

The short of it: Dover in September averages a high of 18 °C (64 °F) and a low of 8 °C (46 °F), with 118 mm (4.6 in) of rain and about 12 h 30 min of daylight. Rated 3 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 118 mm · daylight 12 h 30 min

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

September in Dover brings afternoons near 18° and nights around 8°, with about 118 mm of rain over the month. The year turns hard here: highs drop 4° from August to about 18°, with nights near 8°. It is the wettest month of the year here, about 118 mm.

The sun is up for about 12 h 30 min in mid-September, 111 minutes less than a month before.

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

Against its neighbours, Dover runs about middling and about as wet in September. Hare Bay, 4 km to the WSW, sees much the same highs.

September in Dover, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
1st wettest of 12
Versus August
4° colder, 34 mm more rain
Versus October
7° warmer
Day–night spread
10°
Snow season
Nov–Apr
Daylight, mid-month
12 h 30 min
Average wind
18 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Hare BayNewfoundland and Labrador4 km WSW18°8°115 mm
Centreville-Wareham-TrinityNewfoundland and Labrador17 km NNE18°7°124 mm
GamboNewfoundland and Labrador21 km WSW18°8°105 mm
GlovertownNewfoundland and Labrador21 km SSW18°8°117 mm
New-Wes-ValleyNewfoundland and Labrador43 km NE18°7°121 mm
GanderNewfoundland and Labrador49 km WNW17°8°116 mm
MusgravetownNewfoundland and Labrador52 km S18°8°128 mm
BloomfieldNewfoundland and Labrador54 km S18°8°128 mm

The Almanac · Dover 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 18°, with nights near 8°. It is the wettest month of the year here, about 118 mm.

Climate of Dover by month
MonthHighLowRainWindDaylightVisit
January-2°-10°87 mm20 km/h8 h 40 min✦
February-2°-11°86 mm20 km/h10 h 5 min✦
March1°-7°77 mm20 km/h11 h 44 min✦
April7°-2°74 mm20 km/h13 h 38 min✦
May12°2°86 mm18 km/h15 h 15 min✦✦
June17°6°95 mm17 km/h16 h 9 min✦✦✦
July22°11°95 mm16 km/h15 h 47 min✦✦✦
August22°11°84 mm16 km/h14 h 21 min✦✦✦
September18°8°118 mm18 km/h12 h 30 min✦✦✦
October11°3°104 mm19 km/h10 h 41 min✦✦
November6°-1°102 mm19 km/h9 h 4 min✦
December1°-6°105 mm20 km/h8 h 16 min✦

Questions Readers Ask about Dover in September

Answered from the wire & the Almanac

What is the weather like in Dover in September?

Days average 18 °C (64 °F) and nights 8 °C (46 °F), with about 118 mm (4.6 in) of rain over the month. The year turns hard here: highs drop 4° from August to about 18°, with nights near 8°. It is the wettest month of the year here, about 118 mm.

Is September a good time to visit Dover?

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

How long are the days in Dover in September?

In mid-September the sun is up for about 12 h 30 min. The days are shortening — from 8 h 16 min in December to 16 h 9 min in June.

Does it snow in Dover in September?

Hardly — September nights average 8 °C (46 °F), above freezing.

What should I pack for Dover in September?

Layers, a warm coat and stout boots, 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