Alamosa weather in September 2021

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

  • 23°C maximum daytime temperature in September in Alamosa23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Alamosa6
    6 days with some rainfall
  • 3°C minimum night-time temperature in September in Alamosa3
    3°C min night temperature
  • 12 hours of daylight per day in September in Alamosa12
    12 hours of daylight per day
  • No heat & humidity in September in Alamosa0
    No heat & humidity
  • 24 mm monthly rainfall in September in Alamosa24
    24 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Alamosa8
    8 (Very High) UV index

Recommended for Colorado

  • Top deals & discounts
  • Alamosa weather overview
  • Alamosa climate averages by month
  • More destinations
  • Best time to go to Alamosa
  • Alamosa 5-day weather forecast

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

The September weather guide for Alamosa, Colorado 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.

  • Save EXTRA 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2020 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Thursday 31st Dec 2020 · View all Holiday Autos offers

How hot is it in Alamosa in September?

Daytime temperatures usually reach 23°C in Alamosa in September, falling to 3°C at night.

How sunny is it in Alamosa in September?

There are normally 9 hours of bright sunshine each day in Alamosa in September - that's 75% of daylight hours.

Does it rain in Alamosa in September?

There are usually 6 days with some rain in Alamosa in September and the average monthly rainfall is 24mm.

Alamosa sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Alamosa in September 2021. Select a month to view Alamosa sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:34 19:32
Wednesday, 15th September 2021 06:46 19:11
Thursday, 30th September 2021 06:58 18:48
  • Save EXTRA 10% on 3-5* hotels worldwide with Priceline
  • Discount available on Pay Now & Express Deal Hotels
  • Book hotels for 2 nights or more. Not combinable
Show discount codeShow discount code ******020

Expires at 23:59 on Monday 30th Nov 2020 · View all Priceline offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about the USA

Where is hot in Colorado in September for 2021/2022?

Below are average maximum temperatures at popular destinations in Colorado in September. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.