Portadown weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: July
What is the weather like in Portadown in September?
In September, Portadown is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 68 mm in total. All in all, September is a so-so month for a holiday in Portadown.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 59 | 52 | 30 |
| Day | 18° | 16° | 12° |
| Night | 12° | 11° | 8° |
| Sun | 4 h | 4 h | 3 h |
| Rain days | 15 | 12 | 14 |
More details for September
- Daylight
- 12 h 49 min06:57 – 19:46
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/London
How the score comes together
- Temperatureweight 50 %77 %
- Sunshineweight 20 %8 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Portadown in September: quick answers
Is Portadown hot in September?
No. In September, Portadown is cool: daytime highs average 16 °C and nights drop to about 11 °C.
Does it rain much in Portadown in September?
Rain is frequent, with about 12 rainy days and 68 mm in total.
Portadown month by month
The whole year in PortadownAll destinations: United KingdomWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences