Craigavon weather in September

In September, Craigavon sees average daytime highs of 16°C and overnight lows near 10°C, with 66 mm of rain across 12.2 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Craigavon's 9th-clearest and 8th-windiest month. For the whole year in context, see Craigavon's year-round climate.

Daytime high
16°
4th warmest
Overnight low
10°
9th coldest
Rainfall
66 mm
12.2 wet days
Daylight
12 h 24 min
6:07 AM – 6:33 PM
Cloud cover
79%
9th clearest
Wind
13 km/h
8th windiest
Solar energy
2.58 kWh/m²
Travel score
4.5
out of 10

Craigavon is town in County Armagh, Northern Ireland, UK.

Founded
1965

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 17°C in the first days to 15°C by the end.

A typical September day in Craigavon reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11711
21711
31711
41711
51711
61711
71711
81711
91711
101710
111710
121710
131610
141610
151610
161610
171610
181610
191610
201610
211610
22169
23169
24159
25159
26159
27159
28159
29159
30159

How September really feels in Craigavon

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.

Craigavon weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7113.71.17.60.9
Feb / 5911.919.31.2
Mar10° / 6013.10.711.51.8
Apr12° / 6413.40.213.72.8
May15° / 6813.9015.73.8
Jun17° / 10°7413.1016.94.8
Jul19° / 12°7614.1016.45.1
Aug18° / 12°8114.3014.75.1
Sep16° / 10°6612.2012.54.5
Oct13° / 7713.1010.23.2
Nov10° / 7413.10.28.21.9
Dec / 7512.90.87.11.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51882
61882
71882
81783
91684
101783
111882
121882
131882
141882
151882
161981
171981
181981
192080
202179
212179
222179
232080
242179
252179
262179
272179
282179
292179
302179

Chance of precipitation in September

Any precipitation

Craigavon gets around 66 mm of rain over 12.2 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 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
541
641
741
841
942
1042
1141
1241
1341
1441
1540
1640
1739
1839
1939
2039
2139
2239
2340
2440
2541
2642
2742
2843
2943
3043

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
178202
278202
379192
479192
580182
680182
781172
881172
982162
1083152
1184142
1285141
1386131
1486131
1587121
1688120
1788120
1888120
1989110
2089110
2189110
2289110
2389110
2490100
2590100
2690100
2790100
289190
299190
309280

Wind in September

Winds average 13 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
513light breeze
613light breeze
713light 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 36 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 132 minutes over September. Sunrise moves from 5:39 AM to 6:33 AM, and sunset from 7:12 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:397:12
213.55:417:09
313.45:427:07
413.35:447:04
513.35:467:02
613.25:486:59
713.15:506:56
813.05:526:54
913.05:546:51
1012.95:566:49
1112.85:576:46
1212.75:596:43
1312.76:016:41
1412.66:036:38
1512.56:056:35
1612.46:076:33
1712.46:096:30
1812.36:116:28
1912.26:136:25
2012.16:146:22
2112.16:166:20
2212.06:186:17
2311.96:206:14
2411.86:226:12
2511.86:246:09
2611.76:266:07
2711.66:286:04
2811.56:306:01
2911.56:325:59
3011.46:335:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.58 kWh/m².

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 4.79 kWh/m² in May across the year — September's 2.58 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.4Moderate
222.4Moderate
232.3Moderate
242.3Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.1Moderate
292.1Moderate
302.0Moderate
Planning a trip in September

Is September a good time to visit Craigavon?

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

4.5
Sightseeing
4th-best month of the year
0.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Craigavon for sightseeing.

What to pack for Craigavon in September

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

In September, Craigavon sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Craigavon in September

The nearest coast averages about 14°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 49 km away) is warmest in August at about 15°C and coldest in March near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun13Bracing
Jul14Bracing
Aug15Bracing
Sep14Bracing
Oct13Bracing
Nov12Bracing
Dec11Bracing

UV index in Craigavon in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Craigavon peaks around July 19 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 19UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Craigavon?

Craigavon sits at 54.4°N, 6.4°W, 34 m above sea level, in United Kingdom. The nearest listed city is Portadown, 5.0 km away.

Topography around Craigavon

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

Within 3 km, the terrain around Craigavon has only modest variations in elevation — a maximum elevation change of 57 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Craigavon is covered by grassland (52%), trees (23%) and artificial surfaces (21%) within 3 km, grassland (61%) within 16 km, and grassland (64%) and water (26%) within 80 km.

3 km
57 m
16 km
164 m
80 km
860 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Portadown 5.0 km · Banbridge 13 km · Lisburn 24 km · Newry 30 km · Antrim 32 km · Belfast 34 km · Castlereagh 35 km · Newtownabbey 39 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 Craigavon (54.4471°, -6.387°, elevation 34 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).