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

Semi Weather in September

Semi in September

The short of it: Semi in September averages a high of 30 °C (85 °F) and a low of 23 °C (74 °F), with 142 mm (5.6 in) of rain and about 12 h 9 min of daylight. Rated 2 of 5 for a visit; the best months are August and November. Source: TerraClimate climate normals, 1991–2020.

Average high 30° · low 23° · rain 142 mm · daylight 12 h 9 min

✦✦ Travel with care for a visit · best months: August & November

Thirty years of records give Semi an average September high of 30°, a low of 23° and some 142 mm of rain. Much like August: highs about 30°, nights near 23°. Easy travelling weather. Wet spells are common — about 142 mm, the 4th wettest month.

The sun is up for about 12 h 9 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 August and November.

Against its neighbours, Semi runs about middling and drier than most in September. Ekpé, 9 km to the WNW, is 1° cooler by day.

September in Semi, by the numbers

Warmth rank
10th warmest of 12
Rain rank
4th wettest of 12
Versus August
1° warmer, 93 mm more rain
Versus October
1° colder
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
12 h 9 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
EkpéOuémé9 km WNW29°23°138 mm
Porto-NovoOuémé15 km N29°23°147 mm
AdjarraOuémé20 km NNE30°23°146 mm
AvrankouOuémé21 km N30°23°148 mm
MissérétéOuémé22 km N30°23°149 mm
CotonouLittoral22 km W30°23°133 mm
TubeOgun State26 km NE29°23°146 mm
GanviéAtlantique27 km WNW29°24°134 mm

The Almanac · Semi Month by Month

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

Much like August: highs about 30°, nights near 23°. Easy travelling weather. Wet spells are common — about 142 mm, the 4th wettest month.

Climate of Semi by month
MonthHighLowRainWindDaylightVisit
January32°24°15 mm9 km/h11 h 47 min✦✦✦✦
February33°25°25 mm12 km/h11 h 55 min✦✦✦
March33°26°57 mm14 km/h12 h 4 min✦✦
April33°25°93 mm13 km/h12 h 15 min✦✦
May32°25°192 mm10 km/h12 h 24 min✦✦
June30°24°308 mm10 km/h12 h 29 min✦✦
July29°23°110 mm10 km/h12 h 27 min✦✦✦
August28°23°49 mm10 km/h12 h 19 min✦✦✦✦
September30°23°142 mm10 km/h12 h 9 min✦✦
October31°24°174 mm9 km/h11 h 58 min✦✦
November32°25°43 mm9 km/h11 h 49 min✦✦✦✦
December32°24°11 mm9 km/h11 h 45 min✦✦✦✦

Questions Readers Ask about Semi in September

Answered from the wire & the Almanac

What is the weather like in Semi in September?

Days average 30 °C (85 °F) and nights 23 °C (74 °F), with about 142 mm (5.6 in) of rain over the month. Much like August: highs about 30°, nights near 23°. Easy travelling weather. Wet spells are common — about 142 mm, the 4th wettest month.

Is September a good time to visit Semi?

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

How long are the days in Semi in September?

In mid-September the sun is up for about 12 h 9 min. The days are shortening — from 11 h 45 min in December to 12 h 29 min in June.

Does it snow in Semi in September?

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

What should I pack for Semi in September?

Linen, a wide hat, sun cream and water, plus a good raincoat — it is a wet month.

More Towns in Benin

All towns in Benin →

Cotonou · Abomey-Calavi · Porto-Novo · Parakou · Godomè · Abomey · Djougou · Bohicon · Ekpé · Nikki · Malanville · Kandi

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
Telegrams for your townsWarnings sent to this phone or computer