Portsmouth weather in September (Hampshire, United Kingdom)
What's the typical weather in Portsmouth for September? This guide provides the necessary weather information for your travel plans.
Temperatures
In September, Portsmouth typically experiences pleasant temperatures and moderate rainfall. September ushers in the summer season. Expect the temperatures during the day to hover around 19°C. At night, they will likely drop to about 13°C.
Precipitation
Portsmouth in September usually receives moderate rainfall, averaging around 65 mm for the month. Analyzing past climate data, one can expect approximately 11 days of rain.Average sunshine
The area enjoys a moderate level of sunlight, with around 149 hours. It's a good balance between sunny and cloudy days.In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Portsmouth climate page with graphs.
Portsmouth, monthly averages in September
Min Temperature
13°C
Max Temperature
19°C
Chance of Rain
38%
Precipitation
65 mm
Rainy days
11 days
Humidity
82% *
Sunshine
149 hours *
Percentage Sunshine
44% *
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 Portsmouth, 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 Portsmouth.
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.
