Realejo Alto weather in September

In September, Realejo Alto sees average daytime highs of 22°C and overnight lows near 20°C, with 7 mm of rain across 1.7 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 75% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Realejo Alto's 3rd-clearest and 10th-windiest month. For the whole year in context, see Realejo Alto's year-round climate.

Daytime high
22°
1st warmest
Overnight low
20°
12th coldest
Rainfall
7 mm
1.7 wet days
Daylight
12 h 12 min
6:56 AM – 7:06 PM
Cloud cover
29%
3rd clearest
Wind
16 km/h
10th windiest
Solar energy
6.07 kWh/m²
Travel score
8.4
out of 10

Realejo Alto is city in Teneriffe, Spain.

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 22°C through the month.

A typical September day in Realejo Alto reaches about 22°C in the afternoon and slips back to 20°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, September runs on par with August and on par with October.

15°18°20°23°25°151015202530
Avg high (°C)Avg low (°C)
12221
22221
32221
42221
52221
62221
72221
82221
92220
102220
112220
122220
132220
142220
152220
162220
172220
182220
192220
202220
212220
222220
232220
242220
252220
262220
272220
282220
292220
302220

Realejo Alto weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 16°275.210.46.3
Feb16° / 15°295.5116.0
Mar17° / 15°315.611.86.2
Apr17° / 15°184.312.76.4
May18° / 16°82.713.47.2
Jun19° / 18°61.813.87.9
Jul21° / 19°51.913.68.2
Aug22° / 20°51.3138.6
Sep22° / 20°71.712.28.4
Oct21° / 20°255.711.37.6
Nov20° / 18°305.910.67.0
Dec18° / 17°326.110.26.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1937
2937
3928
4928
5928
6919
79010
89010
98911
108911
118911
128911
138812
148713
158713
168713
178713
188614
198614
208614
218614
228614
238614
248614
258515
268515
278515
288515
298416
308416

Chance of precipitation in September

Any precipitation

Realejo Alto gets around 7 mm of rain over 1.7 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 6% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
22
32
42
52
62
72
82
92
102
113
123
134
144
155
165
176
187
197
208
219
229
2310
2410
2510
2611
2711
2811
2911
3011

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1448480
2448480
3447480
4447480
5447480
6447480
7547480
8548480
9548470
10548470
11549460
12649450
13650440
14651430
15751420
16752410
17852400
18852391
19852391
20853381
21952381
22952381
23952381
241051381
251051381
261051381
271150381
281150381
291249381
301249381

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 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 48 minutes over September. Sunrise moves from 6:48 AM to 7:03 AM, and sunset from 7:24 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:487:24
212.66:497:23
312.56:497:22
412.56:507:20
512.56:507:19
612.56:517:18
712.46:517:17
812.46:527:16
912.46:527:14
1012.36:537:13
1112.36:537:12
1212.36:547:11
1312.36:547:09
1412.26:557:08
1512.26:557:07
1612.26:567:06
1712.16:567:04
1812.16:577:03
1912.16:577:02
2012.16:587:01
2112.06:586:59
2212.06:596:58
2312.06:596:57
2411.97:006:56
2511.97:006:55
2611.97:016:53
2711.87:016:52
2811.87:026:51
2911.87:026:50
3011.87:036:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.07 kWh/m².

For context, solar energy here swings from a low near 3.33 kWh/m² to a high of 7.53 kWh/m² in June across the year — September's 6.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.4Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Realejo Alto

In seasonPeak

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

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

Realejo Alto sees seasonal dust haze (July–August), heaviest in July.

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

Is September a good time to visit Realejo Alto?

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

8.4
Sightseeing
2nd-best month of the year
5.6
Beach & pool
2nd-best month of the year

September is one of the better times to visit Realejo Alto for general sightseeing.

What to pack for Realejo Alto in September

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

In September, Realejo Alto sees daytime highs around 22°C and nights near 20°C. Pack sun protection.

sun protection

Sea temperature near Realejo Alto in September

The nearest coast averages about 24°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 September at about 24°C and coldest in March near 19°C.

It's comfortable for a long swim from May 6 to Jan 10 — about 8.2 months when the water holds above 20°C.

18°20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar19Cool
Apr19Cool
May20Refreshing
Jun22Refreshing
Jul22Refreshing
Aug23Refreshing
Sep24Refreshing
Oct24Refreshing
Nov22Refreshing
Dec21Refreshing

UV index in Realejo Alto in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Realejo Alto peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 17UV 11Dec 18UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct9Very high
Nov5Moderate
Dec4Moderate

Air quality in Realejo Alto 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 Realejo Alto is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateFeb 1118 µg/m³Jun 147 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar10Good
Apr8Good
May8Good
Jun6Good
Jul9Good
Aug13Moderate
Sep8Good
Oct9Good
Nov8Good
Dec16Moderate
Location & terrain

Where is Realejo Alto?

Realejo Alto sits at 28.4°N, 16.6°W, 390 m above sea level, in Spain. The nearest listed city is Los Realejos, 1.0 km away.

Topography around Realejo Alto

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

Within 3 km, the terrain around Realejo Alto has very significant variations in elevation — a maximum elevation change of 1,507 m around an average of 555 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,697 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,670 m.

The land around Realejo Alto is covered by grassland (39%) and trees (37%) within 3 km, water (36%) and trees (25%) within 16 km, and water (84%) within 80 km.

3 km
1,507 m
16 km
3,697 m
80 km
3,670 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Los Realejos 1.0 km · Puerto de la Cruz 6.0 km · La Orotava 6.0 km · Icod de los Vinos 12 km · Güimar 18 km · Tacoronte 20 km · Candelaria 21 km · Guía de Isora 26 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Realejo Alto (28.3764°, -16.5858°, elevation 390 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).