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

Retiro in September

The short of it: Retiro in September averages a high of 17 °C (62 °F) and a low of 5 °C (42 °F), with 77 mm (3.0 in) of rain and about 11 h 55 min of daylight. Rated 3 of 5 for a visit; the best months are November and March. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 5° · rain 77 mm · daylight 11 h 55 min

✦✦✦ Fair for a visit · best months: November & March

September in Retiro brings afternoons near 17° and nights around 5°, with about 77 mm of rain over the month. Much like August: highs about 17°, nights near 5°. A wool coat will serve you well. Wet spells are common — about 77 mm, the 5th wettest month.

The sun is up for about 11 h 55 min in mid-September, 69 minutes more 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 November and March.

Against its neighbours, Retiro runs cooler than most and about as wet in September. Longaví, 12 km to the NE, sees much the same highs.

September in Retiro, by the numbers

Warmth rank
8th warmest of 12
Rain rank
5th wettest of 12
Versus August
3° warmer, 74 mm less rain
Versus October
3° colder
Day–night spread
12°
Snow season
seldom any
Daylight, mid-month
11 h 55 min
Average wind
7 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
LongavíMaule Region12 km NE17°5°74 mm
ParralMaule Region12 km SSW17°5°81 mm
LinaresMaule Region27 km NNE17°5°70 mm
El CarmenBiobio37 km SW17°6°78 mm
Yerbas BuenasMaule Region37 km NNE17°6°68 mm
Villa AlegreMaule Region42 km N17°6°60 mm
San CarlosÑuble45 km SSW16°5°90 mm
ColbúnMaule Region51 km NE17°5°84 mm

The Almanac · Retiro Month by Month

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

Much like August: highs about 17°, nights near 5°. A wool coat will serve you well. Wet spells are common — about 77 mm, the 5th wettest month.

Climate of Retiro by month
MonthHighLowRainWindDaylightVisit
January30°12°16 mm8 km/h14 h 21 min✦✦✦✦
February28°11°18 mm7 km/h13 h 28 min✦✦✦✦✦
March25°9°20 mm7 km/h12 h 25 min✦✦✦✦✦
April20°7°54 mm6 km/h11 h 13 min✦✦✦✦
May16°6°159 mm5 km/h10 h 14 min✦✦
June13°5°210 mm6 km/h9 h 43 min✦✦
July12°4°173 mm6 km/h9 h 56 min✦✦
August14°4°151 mm6 km/h10 h 46 min✦✦
September17°5°77 mm7 km/h11 h 55 min✦✦✦
October20°7°54 mm8 km/h13 h 5 min✦✦✦✦
November23°9°30 mm8 km/h14 h 6 min✦✦✦✦✦
December27°11°26 mm8 km/h14 h 36 min✦✦✦✦✦

Questions Readers Ask about Retiro in September

Answered from the wire & the Almanac

What is the weather like in Retiro in September?

Days average 17 °C (62 °F) and nights 5 °C (42 °F), with about 77 mm (3.0 in) of rain over the month. Much like August: highs about 17°, nights near 5°. A wool coat will serve you well. Wet spells are common — about 77 mm, the 5th wettest month.

Is September a good time to visit Retiro?

The Almanac gives September 3 of 5 (fair). The best months are November and March.

How long are the days in Retiro in September?

In mid-September the sun is up for about 11 h 55 min. The days are lengthening — from 9 h 43 min in June to 14 h 36 min in December.

Does it snow in Retiro in September?

Hardly — September nights average 5 °C (42 °F), above freezing.

What should I pack for Retiro 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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