Portstewart weather in September (Londonderry County, United Kingdom)
What kind of weather does September bring to Portstewart? This guide provides the necessary weather information for your travel plans.
Temperatures
In September, Portstewart usually has moderate temperatures and high rainfall. Daytime temperatures are expected to be around 16°C, cooling off to about 12°C at night.
Precipitation
Portstewart in September usually receives high rainfall, averaging around 107 mm for the month. Records from the past 30 years suggest that around 21 days will experience rain.Average sunshine
The area enjoys a moderate level of sunlight, with around 118 hours. It's a good balance between sunny and cloudy days.If your ideal day consists of dry skies and moderate temperatures June generally stands out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Portstewart climate page with graphs.
Portstewart, monthly averages in September
Min Temperature
12°C
Max Temperature
16°C
Chance of Rain
68%
Precipitation
107 mm
Rainy days
21 days
Sunshine
118 hours *
Percentage Sunshine
*
Where to go in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
For visitors traveling to Portstewart, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Portstewart.
Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
