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.
Bethlehem Weather in September
Bethlehem in September sees high daytime temperatures of 25°C (77°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 113 mm (4.4 in), so pack a rain jacket to stay dry.
Rainfall in Bethlehem in September
Historically, September sees about 10 days of rain, with a monthly average of 113 mm (4.4 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Bethlehem in September
If you're visiting Bethlehem in September, expect highs of 25°C (77°F) and overnight lows around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. At 13°C (55°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.If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Bethlehem.
Bethlehem Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
32%
Precipitation
113 mm (4.4 in)
Rainy days
10 days
Humidity
74% *
* Data from: Allentown, the United States of America (8 KM, 4 Miles).
Bethlehem Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bethlehem - 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 Bethlehem in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Bethlehem in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Bethlehem 3-Day Forecast
More climate data for Bethlehem
See the full Bethlehem 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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