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

Roskilde in September

The short of it: Roskilde in September averages a high of 17 °C (62 °F) and a low of 11 °C (53 °F), with 56 mm (2.2 in) of rain and about 12 h 38 min of daylight. Rated 4 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 11° · rain 56 mm · daylight 12 h 38 min

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

Thirty years of records give Roskilde an average September high of 17°, a low of 11° and some 56 mm of rain. The year turns hard here: highs drop 4° from August to about 17°, with nights near 11°. Rain is modest, about 56 mm, the 5th wettest month.

The sun is up for about 12 h 38 min in mid-September, 143 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 4 of 5 for a visit; the finest months here are June and September.

Against its neighbours, Roskilde runs cooler than most and drier than most in September. Hedehusene, 7 km to the E, sees much the same highs.

September in Roskilde, by the numbers

Warmth rank
4th warmest of 12
Rain rank
5th wettest of 12
Versus August
4° colder, 23 mm less rain
Versus October
5° warmer
Day–night spread
5°
Snow season
Dec–Mar
Daylight, mid-month
12 h 38 min
Average wind
20 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
HedehuseneCapital Region7 km E17°11°57 mm
TaastrupCapital Region14 km E17°11°58 mm
Solrød StrandZealand15 km SE17°12°55 mm
GreveZealand15 km ESE17°11°57 mm
StenløseCapital Region16 km NNE17°11°57 mm
IshøjCapital Region17 km E17°11°59 mm
AlbertslundCapital Region18 km E17°11°59 mm
VallensbækCapital Region19 km E18°11°59 mm

The Almanac · Roskilde Month by Month

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

The year turns hard here: highs drop 4° from August to about 17°, with nights near 11°. Rain is modest, about 56 mm, the 5th wettest month.

Climate of Roskilde by month
MonthHighLowRainWindDaylightVisit
January3°0°50 mm23 km/h7 h 38 min✦✦
February3°0°36 mm22 km/h9 h 31 min✦✦✦
March6°1°35 mm21 km/h11 h 39 min✦✦✦
April11°5°36 mm18 km/h14 h 5 min✦✦✦✦
May16°9°44 mm18 km/h16 h 13 min✦✦✦✦
June19°12°52 mm19 km/h17 h 29 min✦✦✦✦
July21°14°81 mm17 km/h16 h 57 min✦✦✦
August21°15°79 mm18 km/h15 h 1 min✦✦✦
September17°11°56 mm20 km/h12 h 38 min✦✦✦✦
October12°8°63 mm21 km/h10 h 18 min✦✦✦
November7°4°56 mm22 km/h8 h 10 min✦✦
December4°1°57 mm22 km/h7 h 4 min✦✦

Questions Readers Ask about Roskilde in September

Answered from the wire & the Almanac

What is the weather like in Roskilde in September?

Days average 17 °C (62 °F) and nights 11 °C (53 °F), with about 56 mm (2.2 in) of rain over the month. The year turns hard here: highs drop 4° from August to about 17°, with nights near 11°. Rain is modest, about 56 mm, the 5th wettest month.

Is September a good time to visit Roskilde?

The Almanac gives September 4 of 5 (recommended). The best months are June and September.

How long are the days in Roskilde in September?

In mid-September the sun is up for about 12 h 38 min. The days are shortening — from 7 h 4 min in December to 17 h 29 min in June.

Does it snow in Roskilde in September?

Hardly — September nights average 11 °C (53 °F), above freezing.

What should I pack for Roskilde 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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