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

San Jerónimo in September

The short of it: San Jerónimo in September averages a high of 21 °C (69 °F) and a low of 5 °C (40 °F), with 39 mm (1.5 in) of rain and about 12 h 3 min of daylight. Rated 5 of 5 for a visit; the best months are May and August. Source: TerraClimate climate normals, 1991–2020.

Average high 21° · low 5° · rain 39 mm · daylight 12 h 3 min

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

Thirty years of records give San Jerónimo an average September high of 21°, a low of 5° and some 39 mm of rain. Much like August: highs about 21°, nights near 5°. Easy travelling weather. Rain is modest, about 39 mm, the 8th wettest month.

The sun is up for about 12 h 3 min in mid-September, 23 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 May and August.

Against its neighbours, San Jerónimo runs cooler than most and drier than most in September. Andahuaylas, 3 km to the W, sees much the same highs.

September in San Jerónimo, by the numbers

Warmth rank
5th warmest of 12
Rain rank
8th wettest of 12
Versus August
about the same, 15 mm more rain
Versus October
1° colder
Day–night spread
16°
Snow season
seldom any
Daylight, mid-month
12 h 3 min
Average wind
9 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
AndahuaylasApurímac Department3 km W21°5°40 mm
CcarancallaApurímac Department4 km W21°5°40 mm
TalaveraApurímac Department7 km W22°6°37 mm
ManchaybambaApurímac Department8 km NNE19°4°39 mm
CupisaApurímac Department10 km ESE17°0°40 mm
ChoccecanchaApurímac Department11 km ESE17°0°40 mm
Buena VistaApurímac Department13 km WSW18°2°38 mm
Santa Maria de ChicmoApurímac Department14 km W20°4°39 mm

The Almanac · San Jerónimo Month by Month

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

Much like August: highs about 21°, nights near 5°. Easy travelling weather. Rain is modest, about 39 mm, the 8th wettest month.

Climate of San Jerónimo by month
MonthHighLowRainWindDaylightVisit
January20°6°176 mm7 km/h12 h 51 min✦✦✦
February20°7°190 mm8 km/h12 h 33 min✦✦✦
March20°7°162 mm7 km/h12 h 12 min✦✦✦
April21°6°50 mm8 km/h11 h 48 min✦✦✦✦
May21°4°20 mm7 km/h11 h 29 min✦✦✦✦✦
June20°3°12 mm8 km/h11 h 19 min✦✦✦✦✦
July20°2°18 mm8 km/h11 h 23 min✦✦✦✦✦
August21°3°24 mm9 km/h11 h 40 min✦✦✦✦✦
September21°5°39 mm9 km/h12 h 3 min✦✦✦✦✦
October22°6°61 mm9 km/h12 h 26 min✦✦✦✦
November23°6°70 mm9 km/h12 h 46 min✦✦✦✦
December21°7°123 mm9 km/h12 h 56 min✦✦✦

Questions Readers Ask about San Jerónimo in September

Answered from the wire & the Almanac

What is the weather like in San Jerónimo in September?

Days average 21 °C (69 °F) and nights 5 °C (40 °F), with about 39 mm (1.5 in) of rain over the month. Much like August: highs about 21°, nights near 5°. Easy travelling weather. Rain is modest, about 39 mm, the 8th wettest month.

Is September a good time to visit San Jerónimo?

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

How long are the days in San Jerónimo in September?

In mid-September the sun is up for about 12 h 3 min. The days are lengthening — from 11 h 19 min in June to 12 h 56 min in December.

Does it snow in San Jerónimo in September?

Hardly — September nights average 5 °C (40 °F), above freezing.

What should I pack for San Jerónimo 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
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