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

Moss Weather in September

Moss in September

The short of it: Moss in September averages a high of 16 °C (61 °F) and a low of 9 °C (48 °F), with 85 mm (3.3 in) of rain and about 12 h 43 min of daylight. Rated 3 of 5 for a visit; the best months are April and July. Source: TerraClimate climate normals, 1991–2020.

Average high 16° · low 9° · rain 85 mm · daylight 12 h 43 min

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

Thirty years of records give Moss an average September high of 16°, a low of 9° and some 85 mm of rain. Highs fall 4° against August, to near 16°; nights run about 9°. Wet spells are common — about 85 mm, the 4th wettest month.

The sun is up for about 12 h 43 min in mid-September, 168 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 April and July.

Against its neighbours, Moss runs about middling and drier than most in September. Rygge, 8 km to the SE, sees much the same highs.

September in Moss, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus August
4° colder, 6.0 mm less rain
Versus October
6° warmer
Day–night spread
8°
Snow season
Nov–Mar
Daylight, mid-month
12 h 43 min
Average wind
16 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
RyggeØstfold8 km SE17°8°83 mm
RyggebyenØstfold8 km SE17°8°83 mm
HortenVestfold10 km W16°10°88 mm
TofteAkershus13 km NNW15°9°89 mm
ÅsgårdstrandVestfold14 km SW16°9°89 mm
VestbyAkershus20 km NNE16°8°82 mm
HolmestrandVestfold20 km WNW16°9°97 mm
TønsbergVestfold23 km SW16°10°93 mm

The Almanac · Moss Month by Month

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

Highs fall 4° against August, to near 16°; nights run about 9°. Wet spells are common — about 85 mm, the 4th wettest month.

Climate of Moss by month
MonthHighLowRainWindDaylightVisit
January2°-3°63 mm17 km/h6 h 49 min✦✦
February3°-4°47 mm17 km/h9 h 6 min✦✦
March6°-2°49 mm15 km/h11 h 35 min✦✦
April10°2°45 mm15 km/h14 h 24 min✦✦✦✦
May16°7°55 mm15 km/h16 h 58 min✦✦✦
June19°11°74 mm15 km/h18 h 36 min✦✦✦
July22°13°75 mm14 km/h17 h 54 min✦✦✦
August21°12°91 mm14 km/h15 h 31 min✦✦✦
September16°9°85 mm16 km/h12 h 43 min✦✦✦
October10°4°101 mm16 km/h10 h 1 min✦✦
November6°1°98 mm17 km/h7 h 29 min✦
December2°-3°74 mm16 km/h6 h 5 min✦

Questions Readers Ask about Moss in September

Answered from the wire & the Almanac

What is the weather like in Moss in September?

Days average 16 °C (61 °F) and nights 9 °C (48 °F), with about 85 mm (3.3 in) of rain over the month. Highs fall 4° against August, to near 16°; nights run about 9°. Wet spells are common — about 85 mm, the 4th wettest month.

Is September a good time to visit Moss?

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

How long are the days in Moss in September?

In mid-September the sun is up for about 12 h 43 min. The days are shortening — from 6 h 5 min in December to 18 h 36 min in June.

Does it snow in Moss in September?

Hardly — September nights average 9 °C (48 °F), above freezing.

What should I pack for Moss 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
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