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

Alerta Weather in September

Alerta in September

The short of it: Alerta in September averages a high of 34 °C (92 °F) and a low of 19 °C (67 °F), with 84 mm (3.3 in) of rain and about 12 h 3 min of daylight. Rated 1 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.

Average high 34° · low 19° · rain 84 mm · daylight 12 h 3 min

✦ Travel with care for a visit · best months: June & July

Thirty years of records give Alerta an average September high of 34°, a low of 19° and some 84 mm of rain. No month in Alerta runs warmer: highs about 34°. Wet spells are common — about 84 mm, the 8th wettest month.

The sun is up for about 12 h 3 min in mid-September, 19 minutes more than a month before.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 1 of 5 for a visit; the finest months here are June and July.

Against its neighbours, Alerta runs cooler than most and drier than most in September. Mavila, 33 km to the SSE, sees much the same highs.

September in Alerta, by the numbers

Warmth rank
1st warmest of 12
Rain rank
8th wettest of 12
Versus August
1° warmer, 45 mm more rain
Versus October
1° warmer
Day–night spread
14°
Snow season
seldom any
Daylight, mid-month
12 h 3 min
Average wind
5 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
MavilaMadre de Dios33 km SSE34°20°86 mm
IberiaMadre de Dios40 km NW34°19°80 mm
AlegríaMadre de Dios53 km SSE34°20°86 mm
CobijaPando87 km NE34°20°85 mm
IñapariMadre de Dios87 km NNW33°19°71 mm
Assis BrasilAcre88 km NNW33°19°71 mm
EpitaciolândiaAcre88 km NE34°20°83 mm
BrasiléiaAcre89 km NE34°20°83 mm

The Almanac · Alerta Month by Month

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

No month in Alerta runs warmer: highs about 34°. Wet spells are common — about 84 mm, the 8th wettest month.

Climate of Alerta by month
MonthHighLowRainWindDaylightVisit
January31°22°274 mm5 km/h12 h 44 min✦✦
February30°22°273 mm5 km/h12 h 29 min✦✦
March31°21°231 mm4 km/h12 h 11 min✦✦
April31°21°159 mm4 km/h11 h 51 min✦✦
May30°19°80 mm4 km/h11 h 35 min✦✦
June30°18°36 mm4 km/h11 h 27 min✦✦✦✦
July30°17°30 mm4 km/h11 h 30 min✦✦✦✦
August33°17°39 mm5 km/h11 h 44 min✦✦✦✦
September34°19°84 mm5 km/h12 h 3 min✦
October33°21°162 mm5 km/h12 h 23 min✦✦
November32°21°207 mm5 km/h12 h 40 min✦✦
December31°21°247 mm5 km/h12 h 48 min✦✦

Questions Readers Ask about Alerta in September

Answered from the wire & the Almanac

What is the weather like in Alerta in September?

Days average 34 °C (92 °F) and nights 19 °C (67 °F), with about 84 mm (3.3 in) of rain over the month. No month in Alerta runs warmer: highs about 34°. Wet spells are common — about 84 mm, the 8th wettest month.

Is September a good time to visit Alerta?

The Almanac gives September 1 of 5 (travel with care). The best months are June and July.

How long are the days in Alerta in September?

In mid-September the sun is up for about 12 h 3 min. The days are lengthening — from 11 h 27 min in June to 12 h 48 min in December.

Does it snow in Alerta in September?

Hardly — September nights average 19 °C (67 °F), above freezing.

What should I pack for Alerta in September?

Linen, a wide hat, sun cream and water, 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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