Aiken weather in September 2025

Expect 86°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Aiken in September. Check more long-term weather averages for Aiken in September before you book your next holiday to South Carolina in 2025/2026.

  • 86°F maximum daytime temperature in September in Aiken86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Aiken7
    7 days with some rainfall
  • 63°F minimum night-time temperature in September in Aiken63
    63°F min night temperature
  • 12 hours of daylight per day in September in Aiken12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AikenM
    Moderate heat & humidity
  • 3.6 inches monthly rainfall in September in Aiken3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Aiken8
    8 (Very High) UV index

More about Aiken

Aiken by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Carolina

Avalon Waterways: Top deals on 2025 river cruises

  • Book early & save on 2025 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2025 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

The September weather guide for South Carolina (Aiken) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How hot is it in Aiken in September?

Daytime temperatures usually reach 86°F in Aiken in September with moderate heat and humidity, falling to 63°F at night.

How sunny is it in Aiken in September?

There are normally 7 hours of bright sunshine each day in Aiken in September - that's 59% of daylight hours.

Does it rain in Aiken in September?

There are usually 7 days with some rain in Aiken in September and the average monthly rainfall is 3.6 inches.

What is the chance of a hurricane in Aiken in September?

On average less than 1 day in September in Aiken is likely to be affected by the passage of one or more tropical storms.

Aiken September sunrise & sunset times

Browse the sunrise and sunset times for Aiken in September 2025. Select a month to view Aiken sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:01 18:52
Monday, 15th September 2025 06:10 18:33
Tuesday, 30th September 2025 06:21 18:12

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^