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

Biscayne in September

The short of it: Biscayne in September averages a high of 33 °C (91 °F) and a low of 24 °C (75 °F), with 224 mm (8.8 in) of rain and about 12 h 13 min of daylight. Rated 2 of 5 for a visit; the best months are March and April. Source: TerraClimate climate normals, 1991–2020.

Average high 91° · low 75° · rain 8.8 in. · daylight 12 h 13 min

✦✦ Travel with care for a visit · best months: March & April

September in Biscayne brings afternoons near 91° and nights around 75°, with about 8.8 in. of rain over the month. Days run hot, near 91° in the afternoon; ride early and rest at noon. Wet spells are common — about 8.8 in., the 3rd wettest month.

The sun is up for about 12 h 13 min in mid-September, 31 minutes less than a month before.

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 March and April.

Against its neighbours, Biscayne runs warmer than most and wetter than most in September. Sand Hill, 8 mi to the SE, sees much the same highs.

September in Biscayne, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
3rd wettest of 12
Versus August
about the same, 2.1 in. more rain
Versus October
2° warmer
Day–night spread
16°
Snow season
seldom any
Daylight, mid-month
12 h 13 min
Average wind
5 mph

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Sand HillBelize District8 mi SE90°76°8.8 in.
Burrell BoomBelize District11 mi SSE91°76°8.8 in.
Lord’s BankBelize District14 mi SE90°76°8.8 in.
MaskallBelize District15 mi NE91°75°8.5 in.
LadyvilleBelize District16 mi SE90°76°8.7 in.
ShipyardOrange Walk District18 mi NW93°73°8.0 in.
HattievilleBelize District19 mi SSE90°75°8.7 in.
Guinea GrassOrange Walk District20 mi NNW93°73°7.9 in.

The Almanac · Biscayne Month by Month

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

Days run hot, near 91° in the afternoon; ride early and rest at noon. Wet spells are common — about 8.8 in., the 3rd wettest month.

Climate of Biscayne by month
MonthHighLowRainWindDaylightVisit
January84°66°3.9 in.6 mph11 h 10 min✦✦✦
February86°68°2.0 in.6 mph11 h 33 min✦✦✦
March88°69°1.7 in.7 mph12 h 0 min✦✦✦✦
April91°73°1.6 in.8 mph12 h 31 min✦✦✦✦
May91°75°4.6 in.7 mph12 h 57 min✦✦
June90°76°9.3 in.7 mph13 h 11 min✦✦
July90°75°7.2 in.6 mph13 h 5 min✦✦
August91°75°6.7 in.6 mph12 h 43 min✦✦
September91°75°8.8 in.5 mph12 h 13 min✦✦
October89°73°9.9 in.5 mph11 h 42 min✦✦
November86°69°6.5 in.5 mph11 h 17 min✦✦
December85°68°4.8 in.5 mph11 h 4 min✦✦

Questions Readers Ask about Biscayne in September

Answered from the wire & the Almanac

What is the weather like in Biscayne in September?

Days average 33 °C (91 °F) and nights 24 °C (75 °F), with about 224 mm (8.8 in) of rain over the month. Days run hot, near 91° in the afternoon; ride early and rest at noon. Wet spells are common — about 8.8 in., the 3rd wettest month.

Is September a good time to visit Biscayne?

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

How long are the days in Biscayne in September?

In mid-September the sun is up for about 12 h 13 min. The days are shortening — from 11 h 4 min in December to 13 h 11 min in June.

Does it snow in Biscayne in September?

Hardly — September nights average 24 °C (75 °F), above freezing.

What should I pack for Biscayne 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