Henlopen Keys Weather in September
September in Henlopen Keys averages 26°C (79°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 108 mm (4.3 in) on average. An umbrella is a good idea.
Rainfall in Henlopen Keys in September
Past climate data indicates that roughly 10 days will see rain, totalling around 108 mm (4.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Henlopen Keys in September
September in Henlopen Keys brings high temperatures, with highs of 26°C (79°F) and nights around 18°C (64°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.Should you favor a climate that's both dry and comfortably warm, May typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Henlopen Keys's climate page.
Henlopen Keys Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
26°C (79°F)
Chance of Rain
33%
Precipitation
108 mm (4.3 in)
Rainy days
10 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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What to Wear in Henlopen Keys in September
Warm but pleasant conditions in Henlopen Keys in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Henlopen Keys in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Henlopen Keys's climate page.
See the full Henlopen Keys climate overview or explore weather in the United States of America.
