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

Grünau in September

The short of it: Grünau in September averages a high of 26 °C (79 °F) and a low of 7 °C (45 °F), with 3.0 mm (0.12 in) of rain and about 11 h 58 min of daylight. Rated 5 of 5 for a visit; the best months are August and May. Source: TerraClimate climate normals, 1991–2020.

Average high 26° · low 7° · rain 3.0 mm · daylight 11 h 58 min

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

Thirty years of records give Grünau an average September high of 26°, a low of 7° and some 3.0 mm of rain. Highs rise 4° against August, to near 26°; nights run about 7°. Rain is scarce, about 3.0 mm, the 9th wettest month.

The sun is up for about 11 h 58 min in mid-September, 50 minutes more than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; the finest months here are August and May.

Against its neighbours, Grünau runs cooler than most and wetter than most in September. Karasburg, 48 km to the SE, is 1° warmer by day.

September in Grünau, by the numbers

Warmth rank
8th warmest of 12
Rain rank
9th wettest of 12
Versus August
4° warmer, 2.0 mm more rain
Versus October
4° colder
Day–night spread
19°
Snow season
seldom any
Daylight, mid-month
11 h 58 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
KarasburgKaras Region48 km SE27°7°3.0 mm
WarmbadKaras Region87 km SSE28°9°3.0 mm
AussenkehrKaras Region118 km SW28°13°1.0 mm
KeetmanshoopKaras Region131 km N29°11°3.0 mm
NoordoewerKaras Region132 km SW29°13°2.0 mm
AriamsvleiKaras Region149 km ESE28°8°3.0 mm
Rosh PinahKaras Region161 km W25°10°2.0 mm
AroabKaras Region163 km NE28°8°1.0 mm

The Almanac · Grünau Month by Month

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

Highs rise 4° against August, to near 26°; nights run about 7°. Rain is scarce, about 3.0 mm, the 9th wettest month.

Climate of Grünau by month
MonthHighLowRainWindDaylightVisit
January34°17°21 mm12 km/h13 h 43 min✦✦✦
February33°17°29 mm11 km/h13 h 5 min✦✦✦
March32°16°28 mm10 km/h12 h 19 min✦✦✦✦
April28°12°12 mm10 km/h11 h 28 min✦✦✦✦✦
May24°8°4.0 mm9 km/h10 h 46 min✦✦✦✦✦
June21°4°3.0 mm11 km/h10 h 24 min✦✦✦✦✦
July20°4°2.0 mm12 km/h10 h 33 min✦✦✦✦✦
August22°5°1.0 mm11 km/h11 h 9 min✦✦✦✦✦
September26°7°3.0 mm10 km/h11 h 58 min✦✦✦✦✦
October30°11°5.0 mm12 km/h12 h 48 min✦✦✦✦
November31°13°8.0 mm12 km/h13 h 32 min✦✦✦✦
December34°16°9.0 mm12 km/h13 h 53 min✦✦✦

Questions Readers Ask about Grünau in September

Answered from the wire & the Almanac

What is the weather like in Grünau in September?

Days average 26 °C (79 °F) and nights 7 °C (45 °F), with about 3.0 mm (0.12 in) of rain over the month. Highs rise 4° against August, to near 26°; nights run about 7°. Rain is scarce, about 3.0 mm, the 9th wettest month.

Is September a good time to visit Grünau?

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

How long are the days in Grünau in September?

In mid-September the sun is up for about 11 h 58 min. The days are lengthening — from 10 h 24 min in June to 13 h 53 min in December.

Does it snow in Grünau in September?

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

What should I pack for Grünau in September?

Light clothes and a jacket for the evening.

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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