Bayamo weather in September

In September, Bayamo sees average daytime highs of 31°C and overnight lows near 23°C, with 170 mm of rain across 23.6 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 15% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Bayamo's 11th-clearest and 12th-windiest month. For the whole year in context, see Bayamo's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
170 mm
23.6 wet days
Daylight
12 h 06 min
5:57 AM – 6:04 PM
Cloud cover
67%
11th clearest
Wind
5 km/h
12th windiest
Solar energy
5.63 kWh/m²
Travel score
3.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Bayamo reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293122
303122

How September really feels in Bayamo

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bayamo weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°204.510.97.2
Feb29° / 19°194.111.36.6
Mar29° / 19°377.211.95.9
Apr30° / 21°679.912.55.0
May30° / 22°18819.5133.8
Jun31° / 22°1492113.23.2
Jul32° / 23°1232113.13.1
Aug32° / 23°13522.712.72.9
Sep31° / 23°17023.612.13.0
Oct30° / 22°14821.511.53.7
Nov29° / 21°6010.3115.6
Dec28° / 19°285.310.86.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
43961
54060
64060
74060
83961
93961
103961
113862
123862
133763
143763
153763
163763
173763
183763
193664
203763
213664
223664
233664
243664
253664
263664
273664
283664
293664
303763

Chance of precipitation in September

Any precipitation

Bayamo gets around 170 mm of rain over 23.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
179
278
378
478
578
678
778
878
978
1078
1178
1279
1379
1479
1580
1680
1780
1880
1981
2081
2181
2281
2381
2481
2580
2680
2780
2880
2980
3079

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
17921
27921
37921
47921
57921
67921
76931
86931
96931
105941
115941
124951
134951
143961
153961
163961
173961
183961
193961
203961
213961
223961
233961
243961
253961
264951
274951
284951
294951
304960

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 5:54 AM to 6:01 AM, and sunset from 6:19 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:546:19
212.45:546:18
312.45:546:17
412.45:556:16
512.35:556:15
612.35:556:14
712.35:556:13
812.35:566:12
912.35:566:11
1012.25:566:10
1112.25:566:09
1212.25:576:08
1312.25:576:07
1412.25:576:06
1512.15:576:05
1612.15:576:04
1712.15:586:03
1812.15:586:02
1912.15:586:01
2012.05:586:00
2112.05:595:59
2212.05:595:59
2312.05:595:58
2412.05:595:57
2511.96:005:56
2611.96:005:55
2711.96:005:54
2811.96:005:53
2911.96:015:52
3011.86:015:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.58 kWh/m² in July across the year — September's 5.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Bayamo

In seasonPeak

In September, Bayamo sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Bayamo sits in the Atlantic hurricane belt; the season peaks August–October.

Bayamo's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Bayamo?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
11th-best month of the year
4.4
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Bayamo.

What to pack for Bayamo in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Bayamo sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Bayamo in September

The nearest coast averages about 31°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 50 km away) is warmest in August at about 31°C and coldest in January near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun30Tropical
Jul30Tropical
Aug31Tropical
Sep31Tropical
Oct30Tropical
Nov28Tropical
Dec26Warm

UV index in Bayamo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bayamo peaks around August 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 18UV 12Dec 13UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov7High
Dec7High

Air quality in Bayamo in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Bayamo is worst in June — around 27 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2026 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr12Moderate
May16Moderate
Jun27Moderate
Jul24Moderate
Aug20Moderate
Sep17Moderate
Oct14Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Bayamo?

Bayamo sits at 20.4°N, 76.6°W, 55 m above sea level, in Cuba. The nearest listed city is Guisa, 17 km away.

Topography around Bayamo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bayamo.

Within 3 km, the terrain around Bayamo has only modest variations in elevation — a maximum elevation change of 39 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 336 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,887 m.

The land around Bayamo is covered by grassland (34%), artificial surfaces (30%) and trees (29%) within 3 km, grassland (49%) and trees (33%) within 16 km, and trees (38%), grassland (29%) and water (22%) within 80 km.

3 km
39 m
16 km
336 m
80 km
1,887 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Guisa 17 km · Jiguaní 22 km · Cauto Cristo 27 km · Yara 34 km · Río Cauto 35 km · Bartolomé Masó 39 km · Contramaestre 42 km · Manzanillo 50 km

Cuba travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / L
110 V · 60 Hz
Prices
≈ 39% of US
price level, 2011
GDP per capita
$9,605
2020
Happiness
5.4 / 10
World Happiness, 2011
Homicide rate
4.5
per 100k, 2019
Road deaths
8.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 515
Religion
Christian 59%none 23%folk religion 18%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bayamo (20.3737°, -76.6427°, elevation 55 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).