Basingstoke weather in September

In September, Basingstoke sees average daytime highs of 18°C and overnight lows near 11°C, with 52 mm of rain across 9.2 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 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 15% 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 Basingstoke's 4th-clearest and 9th-windiest month. For the whole year in context, see Basingstoke's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
52 mm
9.2 wet days
Daylight
12 h 24 min
5:47 AM – 6:10 PM
Cloud cover
69%
4th clearest
Wind
14 km/h
9th windiest
Solar energy
3.09 kWh/m²
Travel score
5.8
out of 10

Basingstoke is town in Hampshire, England.

Density
3,688/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 19°C in the first days to 17°C by the end.

A typical September day in Basingstoke reaches about 18°C in the afternoon and slips back to 11°C overnight — a 8°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
41911
51911
61911
71911
81911
91911
101911
111911
121911
131911
141811
151811
161811
171810
181810
191810
201810
211810
221810
231710
241710
251710
261710
271710
281710
291710
301610

How September really feels in Basingstoke

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.

Basingstoke 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 / 6011.20.88.21.0
Feb / 479.50.99.61.2
Mar10° / 469.90.511.52.3
Apr13° / 5611.30.113.53.5
May16° / 5910.6015.34.9
Jun19° / 11°5710.1016.35.9
Jul21° / 13°5810.9015.96.3
Aug21° / 13°6410.6014.46.2
Sep18° / 11°529.2012.45.8
Oct14° / 6611.5010.44.0
Nov10° / 6811.30.18.72.3
Dec / 6411.20.87.71.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33367
43268
53268
63268
73268
83268
93268
103268
113169
123169
133169
143070
153169
163169
173070
182971
192971
203070
213070
223070
232971
242971
252971
263070
273070
283070
292971
303070

Chance of precipitation in September

Any precipitation

Basingstoke gets around 52 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 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
228
328
427
527
627
727
828
928
1028
1128
1228
1328
1429
1529
1629
1730
1830
1931
2031
2132
2233
2334
2434
2535
2636
2737
2838
2938
3039

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167285
268275
368275
469265
570255
671245
771245
872235
973225
1073225
1174215
1274215
1376204
1476204
1576204
1677203
1777203
1877212
1977212
2077212
2177221
2277221
2376231
2476231
2577230
2678220
2778220
2879210
2979210
3080200

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 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
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
3014light 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 5:23 AM to 6:10 AM, and sunset from 6:45 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:236:45
213.35:246:43
313.25:266:41
413.25:286:39
513.15:296:36
613.15:316:34
713.05:326:32
812.95:346:29
912.95:366:27
1012.85:376:24
1112.75:396:22
1212.75:416:20
1312.65:426:17
1412.55:446:15
1512.55:456:13
1612.45:476:10
1712.35:496:08
1812.35:506:05
1912.25:526:03
2012.15:546:01
2112.15:555:58
2212.05:575:56
2311.95:595:54
2411.86:005:51
2511.86:025:49
2611.76:045:46
2711.66:055:44
2811.66:075:42
2911.56:095:39
3011.46:105:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.09 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.33 kWh/m² in June across the year — September's 3.09 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.7Moderate
242.7Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.4Moderate
Planning a trip in September

Is September a good time to visit Basingstoke?

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 Basingstoke for sightseeing.

What to pack for Basingstoke in September

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

In September, Basingstoke sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Basingstoke 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 Basingstoke peaks around August 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Basingstoke?

Basingstoke sits at 51.3°N, 1.1°W, 96 m above sea level, in United Kingdom. The nearest listed city is Tadley, 10 km away.

Topography around Basingstoke

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

Within 3 km, the terrain around Basingstoke has only modest variations in elevation — a maximum elevation change of 69 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 199 m; within 80 km, significant variations in elevation — a maximum elevation change of 302 m.

The land around Basingstoke is covered by artificial surfaces (37%) and trees (35%) within 3 km, cropland (37%), trees (31%) and grassland (28%) within 16 km, and grassland (33%), cropland (25%) and trees (24%) within 80 km.

3 km
69 m
16 km
199 m
80 km
302 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tadley 10 km · Alton 15 km · Fleet 18 km · Thatcham 20 km · Yateley 20 km · Farnham 21 km · Lower Earley 22 km · Aldershot 23 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 Basingstoke (51.2625°, -1.0871°, elevation 96 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. 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).