Lancaster Weather in September

September in Lancaster sees daytime temperatures around 26°C (79°F) and lows of 14°C (57°F) at night. With around 125 mm (4.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Lancaster in September

Typically around 9 days of rainfall are expected, averaging 125 mm (4.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Lancaster in September

In September, Lancaster sees high temperatures, with highs of 26°C (79°F). Nights drop to around 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Lancaster in September

The city usually sees around 226 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, May and August typically offer 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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• January
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For a detailed overview over the year and the best time to visit the United States of America, check out our Lancaster's climate page.

Lancaster Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 30%  

Precipitation 125 mm (4.9 in)  

Rainy days 9 days  

Humidity 73% *  

Sunshine 226 hours *  

Percentage Sunshine 61% *  

* Data from: Harrisburg, the United States of America (55 KM, 34 Miles).

What to Wear in Lancaster in September

Warm but pleasant conditions in Lancaster 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lancaster in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lancaster's climate page.

More climate data for Lancaster

Temperature Rainfall Sunshine Humidity

See the full Lancaster climate overview or explore weather in the United States of America.