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

Slangerup in September

The short of it: Slangerup in September averages a high of 17 °C (63 °F) and a low of 10 °C (51 °F), with 58 mm (2.3 in) of rain and about 12 h 38 min of daylight. Rated 4 of 5 for a visit; the best months are May and June. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 10° · rain 58 mm · daylight 12 h 38 min

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

Thirty years of records give Slangerup an average September high of 17°, a low of 10° and some 58 mm of rain. Highs fall 4° against August, to near 17°; nights run about 10°. Rain is modest, about 58 mm, the 4th wettest month.

The sun is up for about 12 h 38 min in mid-September, 145 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 May and June.

Against its neighbours, Slangerup runs warmer than most and drier than most in September. Frederikssund, 7 km to the W, sees much the same highs.

September in Slangerup, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus August
4° colder, 21 mm less rain
Versus October
5° warmer
Day–night spread
7°
Snow season
Dec–Mar
Daylight, mid-month
12 h 38 min
Average wind
16 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
FrederikssundCapital Region7 km W17°11°55 mm
StenløseCapital Region9 km S17°11°57 mm
LillerødCapital Region11 km ENE17°10°61 mm
AllerødCapital Region11 km ENE17°10°61 mm
HillerødCapital Region11 km NE17°10°60 mm
FarumCapital Region12 km ESE17°10°61 mm
VærløseCapital Region14 km ESE17°10°60 mm
BirkerødCapital Region15 km E17°10°62 mm

The Almanac · Slangerup Month by Month

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

Highs fall 4° against August, to near 17°; nights run about 10°. Rain is modest, about 58 mm, the 4th wettest month.

Climate of Slangerup by month
MonthHighLowRainWindDaylightVisit
January3°-1°45 mm19 km/h7 h 35 min✦✦✦
February3°-1°34 mm19 km/h9 h 30 min✦✦✦
March6°1°33 mm18 km/h11 h 39 min✦✦✦
April12°4°35 mm16 km/h14 h 6 min✦✦✦✦
May16°8°43 mm16 km/h16 h 15 min✦✦✦✦✦
June19°11°54 mm17 km/h17 h 32 min✦✦✦✦
July21°14°74 mm14 km/h17 h 0 min✦✦✦
August21°14°79 mm15 km/h15 h 3 min✦✦✦
September17°10°58 mm16 km/h12 h 38 min✦✦✦✦
October12°7°62 mm17 km/h10 h 17 min✦✦✦
November7°3°52 mm18 km/h8 h 8 min✦✦
December4°0°54 mm18 km/h7 h 1 min✦✦

Questions Readers Ask about Slangerup in September

Answered from the wire & the Almanac

What is the weather like in Slangerup in September?

Days average 17 °C (63 °F) and nights 10 °C (51 °F), with about 58 mm (2.3 in) of rain over the month. Highs fall 4° against August, to near 17°; nights run about 10°. Rain is modest, about 58 mm, the 4th wettest month.

Is September a good time to visit Slangerup?

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

How long are the days in Slangerup in September?

In mid-September the sun is up for about 12 h 38 min. The days are shortening — from 7 h 1 min in December to 17 h 32 min in June.

Does it snow in Slangerup in September?

Hardly — September nights average 10 °C (51 °F), above freezing.

What should I pack for Slangerup 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