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

Benjamin Constant Weather in September

Benjamin Constant in September

The short of it: Benjamin Constant in September averages a high of 33 °C (91 °F) and a low of 23 °C (73 °F), with 138 mm (5.4 in) of rain and about 12 h 5 min of daylight. Rated 2 of 5 for a visit; the best months are June and January. Source: TerraClimate climate normals, 1991–2020.

Average high 33° · low 23° · rain 138 mm · daylight 12 h 5 min

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

Thirty years of records give Benjamin Constant an average September high of 33°, a low of 23° and some 138 mm of rain. No month in Benjamin Constant runs warmer: highs about 33°. Wet spells are common — about 138 mm, the 10th wettest month.

The sun is up for about 12 h 5 min in mid-September.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are June and January.

Against its neighbours, Benjamin Constant runs warmer than most and drier than most in September. Ramón Castilla, 15 km to the NNE, sees much the same highs.

September in Benjamin Constant, by the numbers

Warmth rank
1st warmest of 12
Rain rank
10th wettest of 12
Versus August
about the same, 38 mm more rain
Versus October
about the same
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
12 h 5 min
Average wind
4 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Ramón CastillaLoreto15 km NNE33°23°155 mm
Atalaia do NorteAmazonas18 km W33°23°145 mm
TabatingaAmazonas19 km NNE33°23°168 mm
LeticiaAmazonas Department21 km NNE33°23°168 mm
Puerto AlegríaLoreto28 km N32°23°170 mm
Puerto NariñoAmazonas Department74 km NNW32°23°164 mm
CaballocochaLoreto75 km NW32°23°166 mm
JutaíAmazonas154 km SE33°22°144 mm

The Almanac · Benjamin Constant Month by Month

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

No month in Benjamin Constant runs warmer: highs about 33°. Wet spells are common — about 138 mm, the 10th wettest month.

Climate of Benjamin Constant by month
MonthHighLowRainWindDaylightVisit
January31°23°309 mm4 km/h12 h 21 min✦✦
February31°23°286 mm4 km/h12 h 15 min✦✦
March31°23°301 mm4 km/h12 h 8 min✦✦
April31°23°272 mm3 km/h12 h 1 min✦✦
May31°23°213 mm4 km/h11 h 55 min✦✦
June31°22°142 mm4 km/h11 h 52 min✦✦
July31°22°113 mm4 km/h11 h 53 min✦✦
August32°22°100 mm4 km/h11 h 58 min✦✦
September33°23°138 mm4 km/h12 h 5 min✦✦
October32°23°242 mm4 km/h12 h 13 min✦✦
November32°23°225 mm4 km/h12 h 19 min✦✦
December31°23°260 mm4 km/h12 h 22 min✦✦

Questions Readers Ask about Benjamin Constant in September

Answered from the wire & the Almanac

What is the weather like in Benjamin Constant in September?

Days average 33 °C (91 °F) and nights 23 °C (73 °F), with about 138 mm (5.4 in) of rain over the month. No month in Benjamin Constant runs warmer: highs about 33°. Wet spells are common — about 138 mm, the 10th wettest month.

Is September a good time to visit Benjamin Constant?

The Almanac gives September 2 of 5 (travel with care). The best months are June and January.

How long are the days in Benjamin Constant in September?

In mid-September the sun is up for about 12 h 5 min. The days are lengthening — from 11 h 52 min in June to 12 h 22 min in December.

Does it snow in Benjamin Constant in September?

Hardly — September nights average 23 °C (73 °F), above freezing.

What should I pack for Benjamin Constant 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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