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

Chascomús in September

The short of it: Chascomús in September averages a high of 18 °C (64 °F) and a low of 8 °C (46 °F), with 73 mm (2.9 in) of rain and about 11 h 56 min of daylight. Rated 3 of 5 for a visit; the best months are April and November. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 73 mm · daylight 11 h 56 min

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

Thirty years of records give Chascomús an average September high of 18°, a low of 8° and some 73 mm of rain. Much like August: highs about 18°, nights near 8°. A wool coat will serve you well. Wet spells are common — about 73 mm, the 9th wettest month.

The sun is up for about 11 h 56 min in mid-September, 68 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 April and November.

Against its neighbours, Chascomús runs cooler than most and about as wet in September. Manuel J. Cobo, 35 km to the SSE, sees much the same highs.

September in Chascomús, by the numbers

Warmth rank
9th warmest of 12
Rain rank
9th wettest of 12
Versus August
2° warmer, 17 mm more rain
Versus October
3° colder
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
11 h 56 min
Average wind
12 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Manuel J. CoboBuenos Aires35 km SSE18°7°72 mm
General BelgranoBuenos Aires48 km WSW18°7°71 mm
PilaBuenos Aires49 km SSW18°7°72 mm
Coronel BrandsenBuenos Aires50 km NNW19°8°76 mm
CastelliBuenos Aires60 km SSE17°7°74 mm
DomselaarBuenos Aires61 km NNW19°8°76 mm
MagdalenaBuenos Aires71 km NE18°8°79 mm
San VicenteBuenos Aires72 km NNW19°8°74 mm

The Almanac · Chascomús Month by Month

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

Much like August: highs about 18°, nights near 8°. A wool coat will serve you well. Wet spells are common — about 73 mm, the 9th wettest month.

Climate of Chascomús by month
MonthHighLowRainWindDaylightVisit
January29°17°98 mm12 km/h14 h 18 min✦✦✦
February27°17°104 mm11 km/h13 h 26 min✦✦✦
March25°15°91 mm10 km/h12 h 24 min✦✦✦
April22°11°86 mm9 km/h11 h 14 min✦✦✦
May18°8°78 mm8 km/h10 h 16 min✦✦✦
June15°5°71 mm8 km/h9 h 46 min✦✦
July13°5°59 mm10 km/h9 h 58 min✦✦✦
August16°6°56 mm11 km/h10 h 48 min✦✦✦
September18°8°73 mm12 km/h11 h 56 min✦✦✦
October21°11°111 mm13 km/h13 h 4 min✦✦✦
November24°13°104 mm13 km/h14 h 4 min✦✦✦
December27°15°84 mm12 km/h14 h 33 min✦✦✦

Questions Readers Ask about Chascomús in September

Answered from the wire & the Almanac

What is the weather like in Chascomús in September?

Days average 18 °C (64 °F) and nights 8 °C (46 °F), with about 73 mm (2.9 in) of rain over the month. Much like August: highs about 18°, nights near 8°. A wool coat will serve you well. Wet spells are common — about 73 mm, the 9th wettest month.

Is September a good time to visit Chascomús?

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

How long are the days in Chascomús in September?

In mid-September the sun is up for about 11 h 56 min. The days are lengthening — from 9 h 46 min in June to 14 h 33 min in December.

Does it snow in Chascomús in September?

Hardly — September nights average 8 °C (46 °F), above freezing.

What should I pack for Chascomús 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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