Bordon weather in September

In September, Bordon sees average daytime highs of 18°C and overnight lows near 11°C, with 51 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 18% 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 30 min by month's end. Set against the rest of the year, September is Bordon's 4th-clearest and 9th-windiest month. For the whole year in context, see Bordon's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
51 mm
9.2 wet days
Daylight
12 h 24 min
5:46 AM – 6:09 PM
Cloud cover
67%
4th clearest
Wind
15 km/h
9th windiest
Solar energy
3.23 kWh/m²
Travel score
5.8
out of 10

Bordon is town in Hampshire, 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 19°C in the first days to 17°C by the end.

A typical September day in Bordon 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 21°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
41912
51912
61912
71912
81912
91912
101912
111911
121911
131911
141811
151811
161811
171811
181811
191811
201811
211811
221811
231711
241711
251711
261710
271710
281710
291710
301710

How September really feels in Bordon

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.

Bordon 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 / 6511.30.78.21.1
Feb / 509.40.79.61.2
Mar10° / 45100.411.52.3
Apr13° / 5110.50.113.53.5
May16° / 5310.1015.34.8
Jun19° / 11°539.5016.25.9
Jul21° / 13°529.8015.96.4
Aug21° / 13°619.8014.46.3
Sep18° / 11°519.2012.45.8
Oct15° / 7111.3010.44.1
Nov11° / 7411.508.72.4
Dec / 7011.60.57.81.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53664
63763
73664
83664
93565
103565
113565
123466
133367
143466
153466
163367
173268
183268
193367
203367
213466
223466
233367
243466
253466
263466
273466
283367
293367
303367

Chance of precipitation in September

Any precipitation

Bordon gets around 51 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 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
128
227
327
427
527
627
728
828
928
1028
1129
1229
1329
1429
1529
1630
1730
1830
1931
2032
2132
2233
2334
2434
2535
2636
2737
2837
2938
3038

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 71% 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
667276
768266
868266
969256
1069256
1170246
1270246
1372235
1472235
1573234
1672244
1773243
1873243
1972253
2073252
2172262
2273261
2372271
2472271
2572271
2673261
2773261
2875250
2976240
3077230

Wind in September

Winds average 15 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
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light 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 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over September. Sunrise moves from 5:22 AM to 6:09 AM, and sunset from 6:44 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:226:44
213.35:246:42
313.25:256:40
413.25:276:37
513.15:286:35
613.05:306:33
713.05:326:30
812.95:336:28
912.85:356:26
1012.85:376:23
1112.75:386:21
1212.65:406:19
1312.65:416:16
1412.55:436:14
1512.45:456:12
1612.45:466:09
1712.35:486:07
1812.35:506:05
1912.25:516:02
2012.15:536:00
2112.15:545:57
2212.05:565:55
2311.95:585:53
2411.85:595:50
2511.86:015:48
2611.76:035:46
2711.66:045:43
2811.66:065:41
2911.56:085:39
3011.56:095:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.23 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.57 kWh/m² in June across the year — September's 3.23 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Bordon?

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 Bordon for sightseeing.

What to pack for Bordon in September

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

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

rain gear

Sea temperature near Bordon 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 54 km away) is warmest in August at about 18°C and coldest in March near 8°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
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Bordon 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 Bordon peaks around August 10 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Bordon?

Bordon sits at 51.1°N, 0.9°W, 93 m above sea level, in United Kingdom. The nearest listed city is Alton, 9.0 km away.

Topography around Bordon

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

Within 3 km, the terrain around Bordon has only modest variations in elevation — a maximum elevation change of 78 m around an average of 85 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 269 m; within 80 km, significant variations in elevation — a maximum elevation change of 302 m.

The land around Bordon is covered by trees (51%) and grassland (33%) within 3 km, trees (45%), grassland (30%) and cropland (21%) within 16 km, and grassland (28%), trees (25%) and water (20%) within 80 km.

3 km
78 m
16 km
269 m
80 km
302 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Alton 9.0 km · Haslemere 11 km · Farnham 12 km · Aldershot 16 km · Fleet 19 km · Godalming 19 km · Farnborough 21 km · Basingstoke 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 Bordon (51.1136°, -0.8625°, elevation 93 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).