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

Ilhéus in September

The short of it: Ilhéus in September averages a high of 27 °C (81 °F) and a low of 21 °C (69 °F), with 116 mm (4.6 in) of rain and about 12 h 2 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 27° · low 21° · rain 116 mm · daylight 12 h 2 min

✦✦✦ Fair for a visit · best months: July & August

Thirty years of records give Ilhéus an average September high of 27°, a low of 21° and some 116 mm of rain. Much like August: highs about 27°, nights near 21°. Easy travelling weather. It is the driest month of the year, only 116 mm of rain.

The sun is up for about 12 h 2 min in mid-September, 25 minutes more than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Ilhéus runs warmer than most and wetter than most in September. Itabuna, 27 km to the W, sees much the same highs.

September in Ilhéus, by the numbers

Warmth rank
9th warmest of 12
Rain rank
12th wettest of 12
Versus August
1° warmer, 14 mm less rain
Versus October
1° colder
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
12 h 2 min
Average wind
9 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
ItabunaBahia27 km W27°20°89 mm
BueraremaBahia34 km WSW26°19°93 mm
UruçucaBahia36 km NW26°20°79 mm
ItajuípeBahia39 km WNW26°20°80 mm
ItapéBahia43 km WSW27°20°70 mm
São José da VitóriaBahia45 km SW26°19°92 mm
Barro PretoBahia47 km W26°19°68 mm
UnaBahia55 km S27°20°111 mm

The Almanac · Ilhéus Month by Month

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

Much like August: highs about 27°, nights near 21°. Easy travelling weather. It is the driest month of the year, only 116 mm of rain.

Climate of Ilhéus by month
MonthHighLowRainWindDaylightVisit
January30°23°153 mm9 km/h12 h 55 min✦✦
February30°23°161 mm9 km/h12 h 36 min✦✦
March30°23°208 mm8 km/h12 h 13 min✦✦
April29°23°195 mm8 km/h11 h 47 min✦✦
May28°21°191 mm9 km/h11 h 26 min✦✦✦
June27°20°170 mm9 km/h11 h 15 min✦✦✦
July27°19°177 mm9 km/h11 h 20 min✦✦✦
August27°20°130 mm10 km/h11 h 37 min✦✦✦
September27°21°116 mm9 km/h12 h 2 min✦✦✦
October28°22°128 mm10 km/h12 h 27 min✦✦✦
November29°22°152 mm8 km/h12 h 49 min✦✦✦
December30°23°146 mm9 km/h13 h 0 min✦✦

Questions Readers Ask about Ilhéus in September

Answered from the wire & the Almanac

What is the weather like in Ilhéus in September?

Days average 27 °C (81 °F) and nights 21 °C (69 °F), with about 116 mm (4.6 in) of rain over the month. Much like August: highs about 27°, nights near 21°. Easy travelling weather. It is the driest month of the year, only 116 mm of rain.

Is September a good time to visit Ilhéus?

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

How long are the days in Ilhéus in September?

In mid-September the sun is up for about 12 h 2 min. The days are lengthening — from 11 h 15 min in June to 13 h 0 min in December.

Does it snow in Ilhéus in September?

Hardly — September nights average 21 °C (69 °F), above freezing.

What should I pack for Ilhéus in September?

Light clothes and a jacket for the evening, 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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