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

Caldera in September

The short of it: Caldera in September averages a high of 20 °C (67 °F) and a low of 11 °C (53 °F), with 9.0 mm (0.35 in) of rain and about 12 h 3 min of daylight. Rated 5 of 5 for a visit; the best months are November and December. Source: TerraClimate climate normals, 1991–2020.

Average high 20° · low 11° · rain 9.0 mm · daylight 12 h 3 min

✦✦✦✦✦ Recommended for a visit · best months: November & December

Thirty years of records give Caldera an average September high of 20°, a low of 11° and some 9.0 mm of rain. Much like August: highs about 20°, nights near 11°. Easy travelling weather. Rain is scarce, about 9.0 mm, the 4th wettest month.

The sun is up for about 12 h 3 min in mid-September, 18 minutes more than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 5 of 5 for a visit; the finest months here are November and December.

Against its neighbours, Caldera runs warmer than most and wetter than most in September. El Sol, 15 km to the WNW, is 1° cooler by day.

September in Caldera, by the numbers

Warmth rank
10th warmest of 12
Rain rank
4th wettest of 12
Versus August
1° warmer, 10 mm less rain
Versus October
2° colder
Day–night spread
8°
Snow season
seldom any
Daylight, mid-month
12 h 3 min
Average wind
13 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
El SolLima region15 km WNW19°12°5.0 mm
HuauraLima region15 km W19°12°5.0 mm
HuachoLima region16 km WSW19°13°5.0 mm
HualmayLima region17 km W19°13°5.0 mm
Caleta de CarquínLima region18 km W18°13°4.0 mm
VéguetaLima region21 km WNW19°13°4.0 mm
CaralLima region22 km NNW21°12°5.0 mm
SayánLima region29 km E21°12°4.0 mm

The Almanac · Caldera Month by Month

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

Much like August: highs about 20°, nights near 11°. Easy travelling weather. Rain is scarce, about 9.0 mm, the 4th wettest month.

Climate of Caldera by month
MonthHighLowRainWindDaylightVisit
January26°18°5.0 mm14 km/h12 h 42 min✦✦✦✦✦
February27°18°4.0 mm13 km/h12 h 28 min✦✦✦✦✦
March27°18°5.0 mm12 km/h12 h 11 min✦✦✦✦✦
April25°16°4.0 mm12 km/h11 h 52 min✦✦✦✦✦
May22°14°6.0 mm11 km/h11 h 37 min✦✦✦✦✦
June20°12°17 mm10 km/h11 h 29 min✦✦✦✦✦
July19°11°20 mm10 km/h11 h 32 min✦✦✦✦✦
August19°11°19 mm11 km/h11 h 45 min✦✦✦✦✦
September20°11°9.0 mm13 km/h12 h 3 min✦✦✦✦✦
October21°12°5.0 mm13 km/h12 h 22 min✦✦✦✦✦
November22°13°3.0 mm14 km/h12 h 38 min✦✦✦✦✦
December24°16°3.0 mm14 km/h12 h 46 min✦✦✦✦✦

Questions Readers Ask about Caldera in September

Answered from the wire & the Almanac

What is the weather like in Caldera in September?

Days average 20 °C (67 °F) and nights 11 °C (53 °F), with about 9.0 mm (0.35 in) of rain over the month. Much like August: highs about 20°, nights near 11°. Easy travelling weather. Rain is scarce, about 9.0 mm, the 4th wettest month.

Is September a good time to visit Caldera?

The Almanac gives September 5 of 5 (recommended). The best months are November and December.

How long are the days in Caldera in September?

In mid-September the sun is up for about 12 h 3 min. The days are lengthening — from 11 h 29 min in June to 12 h 46 min in December.

Does it snow in Caldera in September?

Hardly — September nights average 11 °C (53 °F), above freezing.

What should I pack for Caldera in September?

Layers, a warm coat and stout boots.

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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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