Gettysburg
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Gettysburg Weather in September

In Gettysburg, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.

Rainfall in Gettysburg in September

Expect around 10 days of rain based on historical data, with 123 mm (4.8 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Gettysburg in September

September in Gettysburg sees highs of 25°C (77°F) and lows of 13°C (55°F) overnight. This kind of day-to-night contrast is typical for this time of year. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Gettysburg in September

The month enjoys around 226 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, August 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.

Gettysburg Temperature in September

Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
33%
Precipitation
123 mm (4.8 in)
Rainy days
10 days
Humidity
73% *
Sunshine
226 hours *
Percentage Sunshine
61% *
* Data from: Harrisburg, the United States of America (56 KM, 35 Miles).

Gettysburg Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Gettysburg - 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 Gettysburg in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Gettysburg 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

Gettysburg 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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