Thornton-Cleveleys weather in September

In September, Thornton-Cleveleys sees average daytime highs of 16°C and overnight lows near 13°C, with 111 mm of rain across 14.8 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 14% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Thornton-Cleveleys's 6th-clearest and 7th-windiest month. For the whole year in context, see Thornton-Cleveleys's year-round climate.

Daytime high
16°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
111 mm
14.8 wet days
Daylight
12 h 24 min
5:54 AM – 6:19 PM
Cloud cover
70%
6th clearest
Wind
21 km/h
7th windiest
Solar energy
2.95 kWh/m²
Travel score
4.3
out of 10

Thornton-Cleveleys is local government district of Wyre, Lancashire, England, covering the towns of Thornton and Cleveleys.

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 17°C in the first days to 15°C by the end.

A typical September day in Thornton-Cleveleys reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11714
21714
31714
41713
51713
61713
71713
81713
91613
101613
111613
121613
131613
141613
151613
161613
171613
181613
191612
201612
211612
221612
231512
241512
251512
261512
271512
281512
291512
301512

How September really feels in Thornton-Cleveleys

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Thornton-Cleveleys 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 daysSnow daysDaylight (hours)Travel score
Jan / 108170.77.70.8
Feb / 8714.60.69.40.8
Mar / 8114.40.611.51.3
Apr10° / 7012.80.113.72.2
May13° / 7412.6015.73.4
Jun16° / 12°8613.5016.74.3
Jul17° / 14°9716.1016.34.8
Aug18° / 14°11716.8014.64.8
Sep16° / 13°11114.8012.54.3
Oct13° / 10°13717.3010.23.1
Nov10° / 13818.40.18.31.8
Dec / 13917.40.57.21.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53664
63664
73664
83565
93466
103466
113466
123367
133367
143367
153268
163268
173070
183169
193070
203070
212872
222872
232872
242872
252872
262872
272971
282971
292971
302971

Chance of precipitation in September

Any precipitation

Thornton-Cleveleys gets around 111 mm of rain over 14.8 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 50% and peaks near 54% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
150
250
350
450
550
650
750
850
950
1049
1149
1249
1349
1448
1548
1648
1748
1847
1947
2047
2148
2248
2349
2450
2550
2651
2752
2853
2953
3054

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169283
270273
370273
471263
571263
672253
773243
873243
975232
1076222
1177212
1278202
1379192
1480182
1581181
1682171
1782171
1883161
1983161
2084151
2184151
2286140
2386140
2486140
2587130
2687130
2788120
2888120
2989110
3089110

Wind in September

Winds average 21 km/h in September.

Across September, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2823breezy
2923breezy
3023breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over September. Sunrise moves from 5:26 AM to 6:20 AM, and sunset from 6:57 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:266:57
213.45:286:55
313.45:306:52
413.35:326:50
513.25:346:47
613.25:356:45
713.15:376:42
813.05:396:40
912.95:416:37
1012.95:436:35
1112.85:456:32
1212.75:466:29
1312.65:486:27
1412.65:506:24
1512.55:526:22
1612.45:546:19
1712.35:566:17
1812.35:576:14
1912.25:596:11
2012.16:016:09
2112.16:036:06
2212.06:056:04
2311.96:076:01
2411.86:085:58
2511.86:105:56
2611.76:125:53
2711.66:145:51
2811.56:165:48
2911.56:185:46
3011.46:205:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.95 kWh/m².

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 5.43 kWh/m² in June across the year — September's 2.95 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Thornton-Cleveleys?

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

4.3
Sightseeing
3rd-best month of the year
0.5
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Thornton-Cleveleys for sightseeing.

What to pack for Thornton-Cleveleys in September

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

In September, Thornton-Cleveleys sees daytime highs around 16°C and nights near 13°C. Pack rain gear. Worth having: a warm layer and a windbreaker. About 15 days see rain.

rain geara warm layera windbreaker

Sea temperature near Thornton-Cleveleys in September

The nearest coast averages about 16°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 17°C and coldest in February near 6°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct14Bracing
Nov11Bracing
Dec9Bracing

UV index in Thornton-Cleveleys in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thornton-Cleveleys peaks around August 10 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 21 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun5High
Jul5High
Aug6High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Thornton-Cleveleys?

Thornton-Cleveleys sits at 53.9°N, 3.0°W, 7 m above sea level, in United Kingdom. The nearest listed city is Poulton-le-Fylde, 5.0 km away.

Topography around Thornton-Cleveleys

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

Within 3 km, the terrain around Thornton-Cleveleys has only modest variations in elevation — a maximum elevation change of 24 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, large variations in elevation — a maximum elevation change of 962 m.

The land around Thornton-Cleveleys is covered by artificial surfaces (35%), grassland (29%) and water (23%) within 3 km, water (56%) and grassland (26%) within 16 km, and grassland (48%) and water (31%) within 80 km.

3 km
24 m
16 km
52 m
80 km
962 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Poulton-le-Fylde 5.0 km · Fleetwood 6.0 km · Blackpool 7.0 km · Fylde 8.0 km · Lytham St Annes 15 km · Heysham 21 km · Morecambe 24 km · Lancaster 24 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

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 Thornton-Cleveleys (53.8739°, -3.0224°, elevation 7 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).