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

Isny in September

The short of it: Isny in September averages a high of 18 °C (64 °F) and a low of 8 °C (47 °F), with 134 mm (5.3 in) of rain and about 12 h 29 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 134 mm · daylight 12 h 29 min

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

September in Isny brings afternoons near 18° and nights around 8°, with about 134 mm of rain over the month. Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 134 mm, the 5th wettest month.

The sun is up for about 12 h 29 min in mid-September, 106 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 July and August.

Against its neighbours, Isny runs cooler than most and wetter than most in September. Leutkirch, 15 km to the N, sees much the same highs.

September in Isny, by the numbers

Warmth rank
4th warmest of 12
Rain rank
5th wettest of 12
Versus August
5° colder, 10 mm less rain
Versus October
5° warmer
Day–night spread
9°
Snow season
Nov–Mar
Daylight, mid-month
12 h 29 min
Average wind
7 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
LeutkirchBaden-Wurttemberg15 km N18°8°115 mm
WangenBaden-Wurttemberg15 km W18°10°119 mm
Immenstadt im AllgäuBavaria20 km SE18°8°137 mm
Kempten (Allgäu)Bavaria21 km E18°8°109 mm
Bad WurzachBaden-Wurttemberg26 km NNW18°9°106 mm
SonthofenBavaria27 km SE18°8°137 mm
BregenzVorarlberg30 km SW19°11°127 mm
LindauBavaria31 km WSW19°11°120 mm

The Almanac · Isny Month by Month

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

Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 134 mm, the 5th wettest month.

Climate of Isny by month
MonthHighLowRainWindDaylightVisit
January3°-4°102 mm8 km/h8 h 49 min✦
February4°-3°98 mm8 km/h10 h 10 min✦
March9°0°111 mm9 km/h11 h 45 min✦
April13°3°98 mm8 km/h13 h 34 min✦✦
May17°7°156 mm8 km/h15 h 7 min✦✦✦
June21°11°155 mm8 km/h15 h 58 min✦✦✦
July22°13°158 mm8 km/h15 h 37 min✦✦✦
August22°12°144 mm7 km/h14 h 16 min✦✦✦
September18°8°134 mm7 km/h12 h 29 min✦✦✦
October13°5°111 mm7 km/h10 h 45 min✦✦
November8°1°122 mm7 km/h9 h 12 min✦
December4°-2°122 mm8 km/h8 h 26 min✦

Questions Readers Ask about Isny in September

Answered from the wire & the Almanac

What is the weather like in Isny in September?

Days average 18 °C (64 °F) and nights 8 °C (47 °F), with about 134 mm (5.3 in) of rain over the month. Highs fall 5° against August, to near 18°; nights run about 8°. Wet spells are common — about 134 mm, the 5th wettest month.

Is September a good time to visit Isny?

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

How long are the days in Isny in September?

In mid-September the sun is up for about 12 h 29 min. The days are shortening — from 8 h 26 min in December to 15 h 58 min in June.

Does it snow in Isny in September?

Hardly — September nights average 8 °C (47 °F), above freezing.

What should I pack for Isny 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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