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

Rorainópolis in September

The short of it: Rorainópolis in September averages a high of 33 °C (92 °F) and a low of 23 °C (74 °F), with 115 mm (4.5 in) of rain and about 12 h 7 min of daylight. Rated 1 of 5 for a visit; the best months are February and January. Source: TerraClimate climate normals, 1991–2020.

Average high 33° · low 23° · rain 115 mm · daylight 12 h 7 min

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

Thirty years of records give Rorainópolis an average September high of 33°, a low of 23° and some 115 mm of rain. Days run hot, near 33° in the afternoon; ride early and rest at noon. Wet spells are common — about 115 mm, the 7th wettest month.

The sun is up for about 12 h 7 min in mid-September.

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 February and January.

Against its neighbours, Rorainópolis runs about middling and wetter than most in September. São Luiz, 42 km to the E, sees much the same highs.

September in Rorainópolis, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
7th wettest of 12
Versus August
1° warmer, 86 mm less rain
Versus October
1° colder
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
12 h 7 min
Average wind
4 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
São LuizRoraima42 km E33°23°106 mm
São João da BalizaRoraima56 km E33°23°101 mm
CaroebeRoraima81 km E33°23°93 mm
CaracaraíRoraima125 km NW34°24°102 mm
IracemaRoraima154 km NNW34°24°84 mm
MucajaíRoraima175 km NNW34°24°83 mm
CantáRoraima186 km N34°24°86 mm
Boa VistaRoraima210 km N34°25°94 mm

The Almanac · Rorainópolis Month by Month

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

Days run hot, near 33° in the afternoon; ride early and rest at noon. Wet spells are common — about 115 mm, the 7th wettest month.

Climate of Rorainópolis by month
MonthHighLowRainWindDaylightVisit
January32°23°67 mm5 km/h12 h 4 min✦✦✦
February32°23°62 mm5 km/h12 h 5 min✦✦✦
March32°23°122 mm4 km/h12 h 6 min✦✦
April32°23°206 mm4 km/h12 h 8 min✦✦
May31°23°352 mm3 km/h12 h 10 min✦✦
June31°23°385 mm4 km/h12 h 11 min✦✦
July31°23°298 mm4 km/h12 h 10 min✦✦
August32°23°201 mm4 km/h12 h 9 min✦✦
September33°23°115 mm4 km/h12 h 7 min✦
October34°24°81 mm4 km/h12 h 5 min✦
November34°24°92 mm4 km/h12 h 4 min✦
December33°23°63 mm4 km/h12 h 4 min✦✦✦

Questions Readers Ask about Rorainópolis in September

Answered from the wire & the Almanac

What is the weather like in Rorainópolis in September?

Days average 33 °C (92 °F) and nights 23 °C (74 °F), with about 115 mm (4.5 in) of rain over the month. Days run hot, near 33° in the afternoon; ride early and rest at noon. Wet spells are common — about 115 mm, the 7th wettest month.

Is September a good time to visit Rorainópolis?

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

How long are the days in Rorainópolis in September?

In mid-September the sun is up for about 12 h 7 min. Near the equator the days hardly change through the year.

Does it snow in Rorainópolis in September?

Hardly — September nights average 23 °C (74 °F), above freezing.

What should I pack for Rorainópolis 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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