Hadleigh weather in September

In September, Hadleigh sees average daytime highs of 19°C and overnight lows near 12°C, with 45 mm of rain across 8.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 17% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Hadleigh's 5th-clearest and 9th-windiest month. For the whole year in context, see Hadleigh's year-round climate.

Daytime high
19°
4th warmest
Overnight low
12°
9th coldest
Rainfall
45 mm
8.7 wet days
Daylight
12 h 24 min
5:40 AM – 6:04 PM
Cloud cover
68%
5th clearest
Wind
14 km/h
9th windiest
Solar energy
3.27 kWh/m²
Travel score
6.0
out of 10

Hadleigh is town in southeast Essex, England.

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 20°C in the first days to 17°C by the end.

A typical September day in Hadleigh reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12013
22013
32013
42013
52013
62012
71912
81912
91912
101912
111912
121912
131912
141912
151912
161812
171812
181812
191811
201811
211811
221811
231811
241811
251711
261711
271711
281711
291711
301711

How September really feels in Hadleigh

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.

Hadleigh weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 4910.80.88.11.0
Feb / 429.319.61.2
Mar10° / 399.70.611.52.3
Apr13° / 4511.10.113.53.5
May16° / 509.7015.34.9
Jun19° / 12°529.5016.36.0
Jul21° / 14°5210.3015.96.4
Aug21° / 14°5810014.46.4
Sep19° / 12°458.7012.46.0
Oct15° / 5610.6010.44.2
Nov11° / 5710.60.18.62.4
Dec / 55110.97.71.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33664
43664
53664
63763
73763
83763
93763
103763
113763
123664
133664
143565
153565
163565
173565
183367
193367
203367
213268
223268
233268
243169
253169
263169
273169
283070
293169
303169

Chance of precipitation in September

Any precipitation

Hadleigh gets around 45 mm of rain over 8.7 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 29% 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 (%)
128
228
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1628
1728
1828
1929
2029
2130
2230
2331
2432
2532
2633
2733
2834
2934
3035

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 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
161327
262317
363307
464297
564297
665287
766277
866277
967267
1067267
1168257
1269256
1370246
1470246
1571245
1671245
1772244
1872244
1973243
2072253
2173252
2273252
2373252
2473261
2574251
2674251
2774251
2875241
2976231
3078220

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 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 120 minutes over September. Sunrise moves from 5:15 AM to 6:04 AM, and sunset from 6:39 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:156:39
213.35:176:37
313.35:196:34
413.25:206:32
513.15:226:30
613.15:246:27
713.05:256:25
812.95:276:23
912.95:296:20
1012.85:306:18
1112.75:326:16
1212.75:346:13
1312.65:356:11
1412.55:376:08
1512.55:396:06
1612.45:406:04
1712.35:426:01
1812.35:445:59
1912.25:455:56
2012.15:475:54
2112.15:495:52
2212.05:505:49
2311.95:525:47
2411.85:545:44
2511.85:555:42
2611.75:575:40
2711.65:595:37
2811.66:005:35
2911.56:025:32
3011.46:045:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.27 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.65 kWh/m² in June across the year — September's 3.27 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.3Moderate
153.3Moderate
163.2Moderate
173.2Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Hadleigh?

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

6.0
Sightseeing
3rd-best month of the year
2.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Hadleigh for sightseeing.

What to pack for Hadleigh in September

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

In September, Hadleigh sees daytime highs around 19°C and nights near 12°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Hadleigh 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 at the nearest coast (about 36 km away) is warmest in August at about 18°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Hadleigh in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hadleigh peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Hadleigh?

Hadleigh sits at 51.6°N, 0.6°E, 74 m above sea level, in United Kingdom. The nearest listed city is South Benfleet, 3.0 km away.

Topography around Hadleigh

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

Within 3 km, the terrain around Hadleigh 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 132 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around Hadleigh is covered by trees (37%), artificial surfaces (29%) and grassland (21%) within 3 km, grassland (27%), water (24%) and cropland (21%) within 16 km, and cropland (28%), water (24%) and grassland (21%) within 80 km.

3 km
95 m
16 km
132 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: South Benfleet 3.0 km · Rayleigh 4.0 km · Canvey Island 4.0 km · Pitsea 7.0 km · Southend-on-Sea 7.0 km · Rochford 7.0 km · Wickford 9.0 km · Basildon 11 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 Hadleigh (51.5527°, 0.6098°, elevation 74 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).