Altoona
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Altoona Weather in September

September in Altoona brings high temperatures, with highs of 23°C (73°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 96 mm (3.8 in), so keep a rain jacket handy.

Rainfall in Altoona in September

Historically, September sees about 12 days of rain, with a monthly average of 96 mm (3.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Altoona in September

Weather in Altoona is at its excellent in September. Highs reach 23°C (73°F), while nights settle around 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°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 you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Altoona.

Altoona Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
41%
Precipitation
96 mm (3.8 in)
Rainy days
12 days

Altoona Weather by Month

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

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

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Altoona 3-Day Forecast

More climate data for Altoona

Popular in September

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.