Maó weather in September

In September, Maó sees average daytime highs of 24°C and overnight lows near 22°C, with 41 mm of rain across 5.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Maó's 4th-clearest and 8th-windiest month. For the whole year in context, see Maó's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
41 mm
5.8 wet days
Daylight
12 h 18 min
6:30 AM – 6:45 PM
Cloud cover
40%
4th clearest
Wind
19 km/h
8th windiest
Solar energy
4.88 kWh/m²
Travel score
7.9
out of 10

Maó is municipality seat in Maó, Menorca.

Air quality
Good
PM10 19.3 µg/m³ · 2019

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical September day in Maó reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12524
22524
32523
42523
52523
62523
72523
82523
92423
102423
112423
122423
132423
142422
152422
162422
172422
182422
192422
202322
212322
222322
232322
242322
252321
262321
272321
282321
292321
302321

Maó weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°508.69.54.2
Feb13° / 12°417.110.44.1
Mar14° / 13°335.211.74.7
Apr16° / 14°335.8135.5
May18° / 17°22414.27.1
Jun22° / 20°13214.88.6
Jul25° / 23°50.814.59.3
Aug26° / 24°91.713.68.8
Sep24° / 22°415.812.37.9
Oct21° / 20°638.110.97.0
Nov18° / 16°7710.49.85.7
Dec15° / 14°568.69.24.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28020
37921
47921
57822
67822
77723
87723
97723
107624
117525
127525
137426
147426
157426
167426
177327
187228
197228
207129
217129
227030
237030
247030
257030
267030
277030
286931
296931
306931

Chance of precipitation in September

Any precipitation

Maó gets around 41 mm of rain over 5.8 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 19% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
111
211
312
413
514
614
715
816
917
1017
1118
1218
1319
1419
1520
1621
1721
1822
1922
2022
2122
2222
2322
2422
2522
2622
2722
2822
2922
3022

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11132633252
21132634241
32142734221
42142835211
52152835191
62152936181
72152936170
83153036160
93153036160
103163036150
114163035150
124163035140
135173134140
145173133140
155183132130
166183231130
177193230130
187193329120
198203328120
209203427110
219203426100
221021342690
231021342690
241121352680
251121352670
261221342670
271222342660
281322342660
291323332650
301323332650

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920breezy
3020breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 6:15 AM to 6:43 AM, and sunset from 7:10 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:157:10
212.96:167:09
312.86:177:07
412.86:187:05
512.76:197:04
612.76:207:02
712.76:217:00
812.66:226:59
912.66:236:57
1012.56:246:55
1112.56:256:54
1212.46:266:52
1312.46:276:50
1412.36:286:48
1512.36:296:47
1612.36:306:45
1712.26:306:43
1812.26:316:42
1912.16:326:40
2012.16:336:38
2112.06:346:36
2212.06:356:35
2311.96:366:33
2411.96:376:31
2511.96:386:30
2611.86:396:28
2711.86:406:26
2811.76:416:24
2911.76:426:23
3011.66:436:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 7.4 kWh/m² in June across the year — September's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
Planning a trip in September

Is September a good time to visit Maó?

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

7.9
Sightseeing
4th-best month of the year
6.6
Beach & pool
3rd-best month of the year

September is one of the better times to visit Maó for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Maó in September

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

In September, Maó sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Maó in September

The nearest coast averages about 25°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 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 4 — about 5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Maó in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Maó peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Maó?

Maó sits at 39.9°N, 4.3°E, 39 m above sea level, in Spain. The nearest listed city is Ciutadella, 38 km away.

IncaLlucmajorMarratxí

Topography around Maó

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

Within 3 km, the terrain around Maó has only modest variations in elevation — a maximum elevation change of 95 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, significant variations in elevation — a maximum elevation change of 449 m.

The land around Maó is covered by trees (35%), grassland (24%) and artificial surfaces (20%) within 3 km, water (64%) within 16 km, and water (91%) within 80 km.

3 km
95 m
16 km
239 m
80 km
449 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ciutadella 38 km · Manacor 97 km · Alcúdia 98 km · Felanitx 106 km · Pollença 107 km · Inca 117 km · Llucmajor 126 km · Marratxí 135 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 Maó (39.8885°, 4.2658°, elevation 39 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).