Philadelphia in September
Autumn in Philadelphia: expect warm weather with highs of 26°C.
Photo: Ethan Robertson / Unsplash
September Weather in Philadelphia
🌡️
Average High
26°C
❄️
Average Low
16°C
🌧️
Rain Days
11.6
🌤️
Season
Autumn
What to Expect
September in Philadelphia brings warm weather with daytime highs around 26°C and nighttime lows of 16°C. You can expect approximately 11.6 days of rain during the month. This is shoulder season with moderate crowds. A good balance of decent weather and reasonable prices.
Packing tip: Bring layers for comfortable days and cooler evenings. A light jacket is advisable. An umbrella or rain jacket is essential.
September Costs in Philadelphia
Budget
USD 120
per day
Mid-Range
USD 250
per day
Luxury
USD 500
per day
Things to Do in Philadelphia in September
Our Top 5 Favourite Tours in Philadelphia
Hand-picked guided experiences you can book in advance on GetYourGuide.
Philadelphia Walking Tour: Highlights & Hidden Gems
Discover Philadelphia on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
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Philadelphia Food Tour: Street Food & Local Favourites
Eat your way through Philadelphia with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
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Best of Philadelphia: Skip-the-Line Top Attractions
Skip the queues and get straight into Philadelphia's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
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Day Trip from Philadelphia: Scenic Excursion
Escape Philadelphia for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
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Philadelphia Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Philadelphia's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Hotels in Philadelphia for September
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FAQ: Philadelphia in September
What is the weather like in Philadelphia in September?
Philadelphia in September has average highs of 26°C and lows of 16°C, with around 11.6 rainy days. The weather is generally warm.
Is September a good time to visit Philadelphia?
September is a shoulder season in Philadelphia, which means decent weather with fewer crowds and often lower prices than peak months.
How crowded is Philadelphia in September?
September sees moderate tourist numbers in Philadelphia. Popular spots will be busy but manageable.
How much does it cost to visit Philadelphia in September?
Budget travellers can get by on around USD 120/day. Mid-range travellers should budget USD 250/day. Shoulder season often offers good value compared to peak months.
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