Peterborough weather in September

In September, Peterborough sees average daytime highs of 18°C and overnight lows near 11°C, with 51 mm of rain across 9.4 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 8th-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 13% 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 Peterborough's 4th-clearest and 9th-windiest month. For the whole year in context, see Peterborough's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
51 mm
9.4 wet days
Daylight
12 h 24 min
5:43 AM – 6:07 PM
Cloud cover
71%
4th clearest
Wind
15 km/h
9th windiest
Solar energy
2.92 kWh/m²
Travel score
5.8
out of 10

Peterborough is cathedral city in Cambridgeshire, England.

Density
476/km²
people per km²
Founded
~655 CE

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 Peterborough 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
52012
62012
71912
81911
91911
101911
111911
121911
131911
141911
151911
161811
171811
181811
191811
201811
211811
221810
231810
241810
251710
261710
271710
281710
291710
301710

How September really feels in Peterborough

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.

Peterborough weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 4911.40.780.9
Feb / 389.41.29.51.2
Mar10° / 439.90.711.52.3
Apr13° / 4811.10.113.63.5
May16° / 5310.3015.54.9
Jun19° / 11°5910.5016.55.8
Jul22° / 13°6111.5016.16.2
Aug21° / 13°6310.6014.56.3
Sep18° / 11°519.4012.45.8
Oct14° / 5910.5010.34.1
Nov10° / 5510.90.28.52.2
Dec / 5210.80.97.51.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 71%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73169
83169
93169
103169
113169
123169
133169
143169
153070
162971
172971
182971
192872
202773
212773
222674
232674
242674
252674
262773
272773
282674
292674
302674

Chance of precipitation in September

Any precipitation

Peterborough gets around 51 mm of rain over 9.4 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 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
329
429
529
629
729
830
930
1030
1131
1231
1331
1431
1531
1632
1732
1832
1932
2033
2133
2233
2333
2434
2534
2634
2735
2835
2935
3036

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172244
273234
374233
474233
575223
675223
776213
876213
977203
1078193
1179183
1279183
1380173
1482162
1582162
1682162
1783152
1883152
1984151
2084151
2183161
2283161
2383161
2485150
2585150
2685150
2786140
2886140
2987130
3087130

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 16 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
515light breeze
615light breeze
715light 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
2916light breeze
3016light 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 5:17 AM to 6:08 AM, and sunset from 6:44 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:176:44
213.45:196:42
313.35:216:39
413.25:226:37
513.25:246:34
613.15:266:32
713.05:286:30
813.05:296:27
912.95:316:25
1012.85:336:22
1112.85:356:20
1212.75:366:17
1312.65:386:15
1412.55:406:12
1512.55:416:10
1612.45:436:07
1712.35:456:05
1812.35:476:02
1912.25:486:00
2012.15:505:58
2112.15:525:55
2212.05:545:53
2311.95:555:50
2411.85:575:48
2511.85:595:45
2611.76:015:43
2711.66:025:40
2811.66:045:38
2911.56:065:35
3011.46:085:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.92 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.06 kWh/m² in June across the year — September's 2.92 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.8Moderate
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 Peterborough?

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

5.8
Sightseeing
3rd-best month of the year
2.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Peterborough for sightseeing.

What to pack for Peterborough in September

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

In September, Peterborough 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 Peterborough 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 at the nearest coast (about 54 km away) is warmest in August at about 18°C and coldest in February near 5°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
Jan6Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep16Cool
Oct13Bracing
Nov10Bracing
Dec7Bracing

UV index in Peterborough 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 Peterborough 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
Apr3Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Peterborough?

Peterborough sits at 52.6°N, 0.2°W, 12 m above sea level, in United Kingdom. The nearest listed city is Primrose Place, 9.0 km away.

Topography around Peterborough

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

Within 3 km, the terrain around Peterborough has only modest variations in elevation — a maximum elevation change of 35 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 332 m.

The land around Peterborough is covered by artificial surfaces (47%) and trees (31%) within 3 km, cropland (61%) and grassland (21%) within 16 km, and cropland (58%) and grassland (22%) within 80 km.

3 km
35 m
16 km
119 m
80 km
332 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Primrose Place 9.0 km · Stamford 18 km · March 23 km · Spalding 25 km · Huntingdon 27 km · Saint Ives 29 km · Wisbech 29 km · Corby 31 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 Peterborough (52.5736°, -0.2478°, elevation 12 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).