Regla weather in September

In September, Regla sees average daytime highs of 31°C and overnight lows near 26°C, with 120 mm of rain across 18.5 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 1st-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 28% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Regla's 11th-clearest and 12th-windiest month. For the whole year in context, see Regla's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
26°
10th coldest
Rainfall
120 mm
18.5 wet days
Daylight
12 h 06 min
6:20 AM – 6:28 PM
Cloud cover
62%
11th clearest
Wind
14 km/h
12th windiest
Solar energy
5.6 kWh/m²
Travel score
3.7
out of 10

Regla is settlement in La Habana, Cuba.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Regla reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223026
233026
243026
253025
263025
273025
283025
293025
303025

How September really feels in Regla

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.

Regla weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°365.810.77.6
Feb26° / 20°314.511.27.8
Mar27° / 21°224.611.87.6
Apr29° / 23°315.212.56.5
May30° / 24°8210.913.15.3
Jun31° / 26°11515.713.44.0
Jul31° / 26°6513.413.34.0
Aug32° / 26°8615.312.83.7
Sep31° / 26°12018.512.13.7
Oct29° / 25°9415.111.54.8
Nov27° / 23°418.810.96.8
Dec26° / 21°305.910.67.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34258
44357
54357
64357
74456
84555
94555
104654
114654
124852
134753
144852
154852
164852
174852
184852
194951
204951
214951
224951
234852
244852
254852
264753
274753
284654
294654
304654

Chance of precipitation in September

Any precipitation

Regla gets around 120 mm of rain over 18.5 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 64% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
159
259
360
460
560
660
760
860
960
1060
1160
1260
1360
1460
1560
1660
1761
1861
1961
2062
2162
2262
2363
2463
2564
2664
2764
2864
2963
3063

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
107030
207129
307129
407129
507129
607129
707030
807030
907030
1007129
1107129
1207129
1307129
1407129
1507129
1617029
1717029
1817128
1917128
2017227
2117227
2227226
2327325
2427424
2537324
2637423
2737423
2847323
2947323
3057124

Wind in September

Winds average 14 km/h in September, the calmest month.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 6:15 AM to 6:24 AM, and sunset from 6:43 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:156:43
212.46:156:42
312.46:166:41
412.46:166:40
512.46:166:39
612.46:176:38
712.36:176:37
812.36:176:36
912.36:176:35
1012.36:186:34
1112.26:186:33
1212.26:186:32
1312.26:196:31
1412.26:196:30
1512.26:196:29
1612.16:206:28
1712.16:206:27
1812.16:206:25
1912.16:216:24
2012.06:216:23
2112.06:216:22
2212.06:226:21
2312.06:226:20
2411.96:226:19
2511.96:236:18
2611.96:236:17
2711.96:236:16
2811.96:246:15
2911.86:246:14
3011.86:246:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.6 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.86 kWh/m² in July across the year — September's 5.6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Regla

In seasonPeak

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

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

Regla'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 Regla?

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

3.7
Sightseeing
11th-best month of the year
5.4
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Regla.

What to pack for Regla in September

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

In September, Regla sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Regla in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 30°C and coldest in February near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov28Warm
Dec27Warm

UV index in Regla in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Regla peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 20UV 12Dec 17UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov7High
Dec6High

Air quality in Regla 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 Regla is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1221 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar11Good
Apr12Moderate
May13Moderate
Jun21Moderate
Jul21Moderate
Aug19Moderate
Sep14Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Regla?

Regla sits at 23.1°N, 82.3°W, 19 m above sea level, in Cuba. The nearest listed city is La Habana Vieja, 2.0 km away.

Topography around Regla

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

Within 3 km, the terrain around Regla has only modest variations in elevation — a maximum elevation change of 71 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 142 m; within 80 km, significant variations in elevation — a maximum elevation change of 548 m.

The land around Regla is covered by artificial surfaces (56%) and trees (22%) within 3 km, water (40%) and trees (27%) within 16 km, and water (54%) and trees (21%) within 80 km.

3 km
71 m
16 km
142 m
80 km
548 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: La Habana Vieja 2.0 km · Guanabacoa 3.0 km · San Miguel del Padrón 3.0 km · Ciudad Camilo Cienfuegos 4.0 km · Centro Habana 4.0 km · Diez de Octubre 5.0 km · Cojímar 5.0 km · Havana 5.0 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 Regla (23.1258°, -82.3306°, elevation 19 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).