What’s Portsmouth Like in September? September in Portsmouth, UK, typically marks a pleasant transition from summer to autumn. Visitors can expect generally mild temperatures, making it ideal for exploring without the intense summer heat or peak crowds.
What is the Weather and Climate in Portsmouth in September? September offers mild weather in Portsmouth. Average daytime high temperatures typically range from 17°C to 19°C (63°F to 66°F), while average nighttime lows are around 11°C to 13°C (52°F to 55°F). Rainfall is moderate, with approximately 60-80mm (2.4-3.1 inches) spread over 10-14 days on average (estimated). Sunshine hours are generally around 5-6 per day. Layered clothing is recommended to account for cooler evenings and potential showers.
What are Typical Costs and Availability in Portsmouth in September? September is generally considered shoulder season, offering a slight decrease in costs compared to peak summer.
- Accommodation: Expect estimated nightly rates for a mid-range hotel to be in the range of £100-£200, while budget options might be £70-£120 (estimated). Availability is typically good, though popular weekends may still see higher demand.
- Attractions: Entry fees remain standard, e.g., an adult “All Attraction” ticket for the Historic Dockyard typically costs around £40-£50 (estimated, confirm current pricing).
- Dining: A casual meal could cost £10-£20 per person, with nicer restaurant experiences ranging from £25-£50+ (estimated).
What to Expect: Crowds, Events, and Conditions in Portsmouth in September? Expect moderate crowd levels in September, noticeably less than the busy summer months of July and August, especially during weekdays. Family tourism often decreases as school holidays conclude. While major large-scale events are less common than in summer, local markets, festivals, or smaller cultural happenings may occur (check local listings). Conditions are generally favorable for walking and outdoor activities, with the sea remaining suitable for coastal strolls but likely too cool for swimming for most.
What are the Best Activities for Visiting Portsmouth in September? September’s milder weather and fewer crowds make it an excellent time to explore Portsmouth’s key attractions.
- Portsmouth Historic Dockyard: Enjoy iconic ships like HMS Victory, HMS Warrior, and the Mary Rose without the peak summer queues.
- Spinnaker Tower: Take in panoramic views of the city and coastline.
- Gunwharf Quays: Shop at outlet stores and dine by the harbour.
- Explore Old Portsmouth and Southsea: Wander through historic streets and enjoy seafront walks.
- The D-Day Story: Visit this significant museum detailing the D-Day landings.
For finding free public amenities like restrooms or water fountains during your visit, consider using AllInMap.