Oleiros weather in September

In September, Oleiros sees average daytime highs of 21°C and overnight lows near 14°C, with 68 mm of rain across 9.2 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 33% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Oleiros's 3rd-clearest and 11th-windiest month. For the whole year in context, see Oleiros's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
68 mm
9.2 wet days
Daylight
12 h 18 min
7:19 AM – 7:36 PM
Cloud cover
54%
3rd clearest
Wind
13 km/h
11th windiest
Solar energy
4.25 kWh/m²
Travel score
6.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical September day in Oleiros reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62215
72215
82215
92215
102215
112215
122215
132214
142214
152214
162114
172114
182114
192114
202114
212114
222114
232114
242114
252014
262014
272013
282013
292013
302013

Oleiros weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 12514.19.22.8
Feb13° / 9211.810.23.2
Mar14° / 9612.311.64.1
Apr16° / 1041413.24.3
May18° / 11°831214.55.5
Jun21° / 13°548.315.26.6
Jul23° / 15°336.114.97.5
Aug23° / 15°437.513.87.4
Sep21° / 14°689.212.36.7
Oct18° / 12°12013.310.85.4
Nov14° / 14015.89.53.6
Dec13° / 12714.28.83.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65644
75644
85545
95545
105347
115347
125248
135248
145149
154951
164951
174852
184852
194852
204852
214654
224654
234654
244555
254555
264456
274357
284357
294357
304357

Chance of precipitation in September

Any precipitation

Oleiros gets around 68 mm of rain over 9.2 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 31% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
225
325
426
526
627
728
828
929
1030
1130
1231
1332
1432
1532
1633
1733
1833
1934
2034
2134
2234
2334
2434
2534
2635
2735
2835
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12047312
22147302
32247301
42247301
52347291
62446291
72546281
82646281
92745271
102745271
112845261
122945261
133044251
143144241
153244231
163344221
173445211
183545201
193645190
203645180
213745170
223846160
233846160
243946150
254045140
264145140
274344130
284444120
294543120
304742120

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 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
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 7:02 AM to 7:35 AM, and sunset from 8:04 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.07:028:04
213.07:038:02
312.97:048:01
412.97:057:59
512.87:067:57
612.87:077:55
712.77:097:53
812.77:107:51
912.67:117:50
1012.67:127:48
1112.57:137:46
1212.57:147:44
1312.47:157:42
1412.47:177:40
1512.37:187:38
1612.37:197:36
1712.27:207:34
1812.27:217:33
1912.17:227:31
2012.17:237:29
2112.07:257:27
2212.07:267:25
2311.97:277:23
2411.97:287:21
2511.87:297:19
2611.87:307:17
2711.77:327:16
2811.77:337:14
2911.67:347:12
3011.67:357:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.25 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.23 kWh/m² in July across the year — September's 4.25 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Oleiros?

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

6.7
Sightseeing
3rd-best month of the year
4.3
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Oleiros for sightseeing.

What to pack for Oleiros in September

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

In September, Oleiros sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Oleiros in September

The nearest coast averages about 17°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 18°C and coldest in March near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr13Bracing
May14Bracing
Jun16Cool
Jul17Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in Oleiros 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 Oleiros peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Oleiros?

Oleiros sits at 43.3°N, 8.3°W, 127 m above sea level, in Spain. The nearest listed city is Cambre, 5.0 km away.

Topography around Oleiros

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

Within 3 km, the terrain around Oleiros has only modest variations in elevation — a maximum elevation change of 186 m around an average of 90 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, large variations in elevation — a maximum elevation change of 1,032 m.

The land around Oleiros is covered by trees (47%) and grassland (39%) within 3 km, trees (40%), water (27%) and grassland (24%) within 16 km, and trees (44%), water (30%) and grassland (21%) within 80 km.

3 km
186 m
16 km
518 m
80 km
1,032 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Cambre 5.0 km · A Coruña 8.0 km · Culleredo 8.0 km · Arteixo 16 km · Ferrol 18 km · Narón 21 km · Carballo 33 km · Santiago de Compostela 54 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 Oleiros (43.3333°, -8.3167°, elevation 127 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).