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

Flen Weather in September

Flen in September

The short of it: Flen in September averages a high of 17 °C (62 °F) and a low of 7 °C (45 °F), with 55 mm (2.2 in) of rain and about 12 h 43 min of daylight. Rated 4 of 5 for a visit; the best months are May and August. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 7° · rain 55 mm · daylight 12 h 43 min

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

September in Flen brings afternoons near 17° and nights around 7°, with about 55 mm of rain over the month. Highs fall 5° against August, to near 17°; nights run about 7°. Rain is modest, about 55 mm, the 5th wettest month.

The sun is up for about 12 h 43 min in mid-September, 165 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 August.

Against its neighbours, Flen runs warmer than most and wetter than most in September. Katrineholm, 23 km to the WSW, sees much the same highs.

September in Flen, by the numbers

Warmth rank
5th warmest of 12
Rain rank
5th wettest of 12
Versus August
5° colder, 9.0 mm less rain
Versus October
6° warmer
Day–night spread
9°
Snow season
Nov–Mar
Daylight, mid-month
12 h 43 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
KatrineholmSödermanland23 km WSW17°7°56 mm
EskilstunaSödermanland35 km N17°7°54 mm
TorshällaSödermanland40 km N17°8°50 mm
VingåkerSödermanland41 km W16°7°54 mm
GnestaSödermanland41 km E17°9°55 mm
NyköpingSödermanland42 km SE17°8°53 mm
MariefredSödermanland43 km ENE17°8°50 mm
SträngnäsSödermanland44 km NE16°8°47 mm

The Almanac · Flen Month by Month

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

Highs fall 5° against August, to near 17°; nights run about 7°. Rain is modest, about 55 mm, the 5th wettest month.

Climate of Flen by month
MonthHighLowRainWindDaylightVisit
January1°-5°34 mm12 km/h6 h 54 min✦✦✦
February2°-5°29 mm12 km/h9 h 9 min✦✦✦
March5°-3°28 mm12 km/h11 h 35 min✦✦✦
April11°1°30 mm11 km/h14 h 22 min✦✦✦✦
May17°5°42 mm11 km/h16 h 53 min✦✦✦✦✦
June20°10°64 mm11 km/h18 h 28 min✦✦✦✦
July23°12°73 mm10 km/h17 h 48 min✦✦✦
August22°11°64 mm9 km/h15 h 28 min✦✦✦✦
September17°7°55 mm10 km/h12 h 43 min✦✦✦✦
October10°3°56 mm10 km/h10 h 3 min✦✦✦
November5°0°52 mm10 km/h7 h 34 min✦✦
December2°-3°49 mm10 km/h6 h 12 min✦✦

Questions Readers Ask about Flen in September

Answered from the wire & the Almanac

What is the weather like in Flen in September?

Days average 17 °C (62 °F) and nights 7 °C (45 °F), with about 55 mm (2.2 in) of rain over the month. Highs fall 5° against August, to near 17°; nights run about 7°. Rain is modest, about 55 mm, the 5th wettest month.

Is September a good time to visit Flen?

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

How long are the days in Flen in September?

In mid-September the sun is up for about 12 h 43 min. The days are shortening — from 6 h 12 min in December to 18 h 28 min in June.

Does it snow in Flen in September?

Hardly — September nights average 7 °C (45 °F), above freezing.

What should I pack for Flen 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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