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Lake Harmony Weather in September

September in Lake Harmony brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 119 mm (4.7 in), so pack an umbrella.

Rainfall in Lake Harmony in September

Historically, the month has about 10 days of rain, averaging 119 mm (4.7 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Lake Harmony in September

In September, expect pleasant temperatures in Lake Harmony, with highs of 22°C (72°F) and lows of 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

For Lake Harmony itself, May generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 Lake Harmony's climate page.

Lake Harmony Temperature in September

Min TemperatureMin Temperature 10°C (50°F)  
Max TemperatureMax Temperature 22°C (72°F)  
Chance of RainChance of Rain 33%  
PrecipitationPrecipitation 119 mm (4.7 in)  
Rainy daysRainy days 10 days  
HumidityHumidity 74% *  
* Data from: Allentown, the United States of America (51 KM, 32 Miles).

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 →

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Legend 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 Lake Harmony in September

For Lake Harmony in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Lake Harmony in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Select a Month

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 Lake Harmony's climate page.

More climate data for Lake Harmony