Altus weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Altus in September. Check more long-term weather averages for Altus in September before you book your next holiday to Oklahoma in 2025/2026.

  • 30°C maximum daytime temperature in September in Altus30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Altus7
    7 days with some rainfall
  • 16°C minimum night-time temperature in September in Altus16
    16°C min night temperature
  • 12 hours of daylight per day in September in Altus12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AltusM
    Moderate heat & humidity
  • 83 mm monthly rainfall in September in Altus83
    83 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Altus8
    8 (Very High) UV index

More about Altus

Altus by month

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

Recommended for Oklahoma

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide

The September weather guide for Oklahoma (Altus) 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 / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Altus in September?

Daytime temperatures usually reach 30°C in Altus in September with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Altus in September?

There are normally 9 hours of bright sunshine each day in Altus in September - that's 71% of daylight hours.

Does it rain in Altus in September?

There are usually 7 days with some rain in Altus in September and the average monthly rainfall is 83mm.

Altus September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:11 19:03
Monday, 15th September 2025 06:21 18:44
Tuesday, 30th September 2025 06:32 18:22

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^