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

Oiapoque in September

The short of it: Oiapoque in September averages a high of 33 °C (92 °F) and a low of 21 °C (71 °F), with 42 mm (1.7 in) of rain and about 12 h 8 min of daylight. Rated 3 of 5 for a visit; the best months are February and September. Source: TerraClimate climate normals, 1991–2020.

Average high 33° · low 21° · rain 42 mm · daylight 12 h 8 min

✦✦✦ Fair for a visit · best months: February & September

September in Oiapoque brings afternoons near 33° and nights around 21°, with about 42 mm of rain over the month. Days run hot, near 33° in the afternoon; ride early and rest at noon. It is the driest month of the year, only 42 mm of rain.

The sun is up for about 12 h 8 min in mid-September.

For the traveller: pack linen, a wide hat and water. The Almanac rates September 3 of 5 for a visit; the finest months here are February and September.

Against its neighbours, Oiapoque runs warmer than most and drier than most in September. Saint-Georges, 6 km to the NE, sees much the same highs.

September in Oiapoque, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
12th wettest of 12
Versus August
1° warmer, 61 mm less rain
Versus October
about the same
Day–night spread
12°
Snow season
seldom any
Daylight, mid-month
12 h 8 min
Average wind
6 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Saint-GeorgesGuyane6 km NE33°22°41 mm
RéginaGuyane62 km NNW33°22°55 mm
RouraGuyane112 km NNW32°22°49 mm
MatouryGuyane124 km NNW32°22°43 mm
Résidence Arc-en-CielOther127 km NNW32°22°45 mm
Rémire-MontjolyGuyane129 km NNW32°22°42 mm
Résidence Cogneau-LarivotOther130 km NNW32°22°38 mm
MacouriaGuyane133 km NNW32°22°38 mm

The Almanac · Oiapoque Month by Month

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

Days run hot, near 33° in the afternoon; ride early and rest at noon. It is the driest month of the year, only 42 mm of rain.

Climate of Oiapoque by month
MonthHighLowRainWindDaylightVisit
January29°22°398 mm6 km/h11 h 55 min✦✦
February29°22°368 mm7 km/h12 h 0 min✦✦✦
March30°22°334 mm7 km/h12 h 5 min✦✦
April30°23°434 mm6 km/h12 h 12 min✦✦
May30°23°598 mm5 km/h12 h 18 min✦✦
June30°22°355 mm4 km/h12 h 21 min✦✦
July31°22°189 mm4 km/h12 h 19 min✦✦
August32°21°103 mm5 km/h12 h 14 min✦✦
September33°21°42 mm6 km/h12 h 8 min✦✦✦
October34°21°50 mm6 km/h12 h 2 min✦✦
November33°21°100 mm6 km/h11 h 56 min✦✦
December31°22°266 mm6 km/h11 h 54 min✦✦

Questions Readers Ask about Oiapoque in September

Answered from the wire & the Almanac

What is the weather like in Oiapoque in September?

Days average 33 °C (92 °F) and nights 21 °C (71 °F), with about 42 mm (1.7 in) of rain over the month. Days run hot, near 33° in the afternoon; ride early and rest at noon. It is the driest month of the year, only 42 mm of rain.

Is September a good time to visit Oiapoque?

The Almanac gives September 3 of 5 (fair). The best months are February and September.

How long are the days in Oiapoque in September?

In mid-September the sun is up for about 12 h 8 min. Near the equator the days hardly change through the year.

Does it snow in Oiapoque in September?

Hardly — September nights average 21 °C (71 °F), above freezing.

What should I pack for Oiapoque in September?

Linen, a wide hat, sun cream and water.

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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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