Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Horsham Weather in September
Horsham in September sees high temperatures, with highs around 25°C (77°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 108 mm (4.3 in) on average, so pack waterproofs just in case.
Rainfall in Horsham in September
Past climate data indicates that roughly 8 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 Horsham in September
Horsham in September gets highs of 25°C (77°F) during the day and drops to 14°C (57°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 14°C (57°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.
Sunshine in Horsham in September
There are approximately 218 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Horsham.
Horsham Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
27%
Precipitation
108 mm (4.3 in)
Rainy days
8 days
Humidity
72% *
Sunshine
218 hours *
Percentage Sunshine
59% *
* Data from: Philadelphia, the United States of America (25 KM, 15 Miles).
Horsham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Horsham - and find the best time to visit.
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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Horsham in September
Warm but pleasant conditions in Horsham 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Horsham in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Horsham 3-Day Forecast
More climate data for Horsham
Temperature Rainfall Sunshine Humidity
See the full Horsham climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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Yosemite National Park is definitely worth a visit
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