Gandia weather in September

In September, Gandia sees average daytime highs of 27°C and overnight lows near 19°C, with 82 mm of rain across 8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels muggy.

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 Gandia's 6th-clearest and 11th-windiest month. For the whole year in context, see Gandia's year-round climate.

Daytime high
27°
4th warmest
Overnight low
19°
10th coldest
Rainfall
82 mm
8 wet days
Daylight
12 h 12 min
6:48 AM – 7:03 PM
Cloud cover
44%
6th clearest
Wind
9 km/h
11th windiest
Solar energy
4.94 kWh/m²
Travel score
7.1
out of 10

Gandia is capital town of the municipality of Gandía, Spain.

Air quality
Moderate
PM2.5 10.1 µg/m³ · 2013

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 28°C in the first days to 25°C by the end.

A typical September day in Gandia reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12921
22821
32821
42821
52821
62820
72820
82820
92820
102720
112720
122720
132720
142719
152719
162719
172619
182619
192619
202619
212618
222618
232618
242618
252518
262518
272518
282518
292517
302517

Gandia weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 545.99.65.1
Feb16° / 425.310.55.5
Mar18° / 536.211.76.4
Apr20° / 12°536.1137.0
May23° / 15°365.114.17.8
Jun27° / 19°193.514.77.9
Jul29° / 21°92.114.56.9
Aug30° / 22°264.413.56.3
Sep27° / 19°82812.37.1
Oct23° / 16°767.4117.4
Nov18° / 11°646.79.96.5
Dec16° / 616.49.35.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 32%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67129
77030
87030
97030
107030
117030
126931
136931
146931
156832
166832
176832
186733
196733
206634
216634
226535
236535
246436
256436
266436
276436
286535
296436
306436

Chance of precipitation in September

Any precipitation

Gandia gets around 82 mm of rain over 8 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
121
222
323
423
523
624
724
824
924
1024
1125
1225
1325
1425
1525
1625
1725
1826
1926
2027
2127
2227
2327
2427
2527
2626
2726
2825
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
148234520
249244418
3510254417
4510264315
5611274214
6612284212
7712294111
8813304010
981430408
1091431397
11101531386
12111531385
13111632374
14121632363
15131732363
16131732352
17141833342
18151833332
19151933321
20161934301
21162034291
22162035281
23172135261
24172136251
25182237230
26182238210
27192338200
28202339180
29202439170
30212439150

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:34 AM to 7:01 AM, and sunset from 7:27 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:347:27
212.86:357:26
312.86:367:24
412.86:367:22
512.76:377:21
612.76:387:19
712.66:397:18
812.66:407:16
912.66:417:14
1012.56:427:13
1112.56:437:11
1212.46:447:09
1312.46:457:08
1412.36:467:06
1512.36:477:04
1612.26:487:03
1712.26:487:01
1812.26:496:59
1912.16:506:58
2012.16:516:56
2112.06:526:54
2212.06:536:53
2311.96:546:51
2411.96:556:49
2511.96:566:48
2611.86:576:46
2711.86:586:44
2811.76:596:43
2911.77:006:41
3011.67:016:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.94 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 7.42 kWh/m² in June across the year — September's 4.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Gandia?

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

7.1
Sightseeing
4th-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Gandia in September

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

In September, Gandia sees daytime highs around 27°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Gandia 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 at the nearest coast (about 18 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 3 to Nov 2 — about 5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Gandia 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 Gandia peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighHighVery highHighModerateLowJul 16UV 9Dec 18UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7Very high
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Gandia?

Gandia sits at 39.0°N, 0.2°W, 34 m above sea level, in Spain. The nearest listed city is Oliva, 8.0 km away.

Topography around Gandia

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

Within 3 km, the terrain around Gandia has significant variations in elevation — a maximum elevation change of 351 m around an average of 46 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,002 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,543 m.

The land around Gandia is covered by trees (43%) and artificial surfaces (26%) within 3 km, trees (36%) and water (33%) within 16 km, and water (39%) and trees (28%) within 80 km.

3 km
351 m
16 km
1,002 m
80 km
1,543 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Oliva 8.0 km · Tavernes de la Valldigna 14 km · Cullera 23 km · Sueca 28 km · Carcaixent 29 km · Denia 29 km · Xàtiva 29 km · Alzira 30 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 Gandia (38.9667°, -0.1833°, elevation 34 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).