Maidstone weather in September

In September, Maidstone sees average daytime highs of 18°C and overnight lows near 11°C, with 50 mm of rain across 9.6 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 Maidstone's 4th-clearest and 9th-windiest month. For the whole year in context, see Maidstone's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
50 mm
9.6 wet days
Daylight
12 h 24 min
5:41 AM – 6:04 PM
Cloud cover
67%
4th clearest
Wind
14 km/h
9th windiest
Solar energy
3.37 kWh/m²
Travel score
5.8
out of 10

Maidstone is county town of Kent, England.

Density
4,229/km²
people per km²

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 Maidstone reaches about 18°C in the afternoon and slips back to 11°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)
12012
22012
32012
42012
51912
61912
71912
81912
91912
101912
111912
121912
131911
141911
151811
161811
171811
181811
191811
201811
211811
221811
231811
241711
251711
261711
271710
281710
291710
301710

How September really feels in Maidstone

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.

Maidstone 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 / 56110.78.20.9
Feb / 469.41.19.61.1
Mar10° / 4410.10.511.52.2
Apr13° / 5111.10.113.53.4
May16° / 5610.6015.34.8
Jun19° / 11°5910.2016.35.9
Jul21° / 14°5911.2015.96.3
Aug21° / 14°6811014.46.3
Sep18° / 11°509.6012.45.8
Oct14° / 6211010.44.1
Nov10° / 6311.20.18.72.3
Dec / 6211.517.71.2

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 16% of September, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33466
43466
53466
63466
73466
83565
93565
103565
113466
123466
133565
143565
153565
163367
173466
183466
193466
203367
213367
223367
233268
243268
253169
263169
273169
283169
293169
303070

Chance of precipitation in September

Any precipitation

Maidstone gets around 50 mm of rain over 9.6 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 32% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
328
428
528
628
728
829
929
1029
1129
1229
1329
1430
1530
1630
1731
1832
1933
2033
2134
2235
2336
2437
2537
2638
2739
2839
2939
3040

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 (%)
162326
263316
364306
465296
566286
666286
767276
866277
968266
1068266
1169256
1269256
1370246
1471245
1572235
1673234
1773234
1873243
1973243
2074242
2173252
2273252
2374251
2474251
2574251
2674251
2776240
2876240
2977230
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
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light 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 5:16 AM to 6:04 AM, and sunset from 6:39 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:166:39
213.35:186:37
313.25:206:34
413.25:216:32
513.15:236:30
613.15:246:27
713.05:266:25
812.95:286:23
912.95:296:20
1012.85:316:18
1112.75:336:16
1212.75:346:13
1312.65:366:11
1412.55:376:09
1512.55:396:06
1612.45:416:04
1712.35:426:01
1812.35:445:59
1912.25:465:57
2012.15:475:54
2112.15:495:52
2212.05:515:50
2311.95:525:47
2411.85:545:45
2511.85:555:42
2611.75:575:40
2711.65:595:38
2811.66:005:35
2911.56:025:33
3011.46:045:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.37 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.82 kWh/m² in June across the year — September's 3.37 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.3Moderate
183.3Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
243.0Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.7Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Maidstone?

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

5.8
Sightseeing
4th-best month of the year
2.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Maidstone for sightseeing.

What to pack for Maidstone in September

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

In September, Maidstone sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Maidstone 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 44 km away) is warmest in August at about 18°C and coldest in February near 7°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
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Maidstone 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 Maidstone peaks around July 24 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Maidstone?

Maidstone sits at 51.3°N, 0.5°E, 9 m above sea level, in United Kingdom. The nearest listed city is Chatham, 13 km away.

Topography around Maidstone

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

Within 3 km, the terrain around Maidstone has only modest variations in elevation — a maximum elevation change of 103 m around an average of 54 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around Maidstone is covered by trees (45%) and artificial surfaces (33%) within 3 km, trees (34%), grassland (32%) and cropland (22%) within 16 km, and water (35%) and grassland (21%) within 80 km.

3 km
103 m
16 km
241 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Chatham 13 km · Rochester 13 km · Gillingham 14 km · Strood 14 km · Sittingbourne 17 km · Tonbridge 19 km · Hartley 20 km · Longfield 21 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 Maidstone (51.2667°, 0.5167°, elevation 9 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).