Weather in South Dakota in September 2017

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in South Dakota in September. Check more long-term weather averages for South Dakota in September before you book your next holiday to South Dakota in 2017. The September weather averages shown below are for Sioux Falls.

Key weather averages for South Dakota in September

  • 23°C maximum daytime temperature in September in South Dakota (Sioux Falls)23
    23°C max day temperature
  • 8 hours of sunshine per day (64% of daylight hours) in September in South Dakota8
    8 hours of sunshine per day
  • 8 days with some rainfall in September in South Dakota (Sioux Falls)8
    8 days with some rainfall
  • 9°C minimum night-time temperature in September in South Dakota (Sioux Falls)9
    9°C min night temperature
  • 12 hours of daylight per day in September in South Dakota (Sioux Falls)12
    12 hours of daylight per day
  • No heat & humidity in September in South Dakota (Sioux Falls)0
    No heat & humidity
  • 74 mm monthly rainfall in September in South Dakota (Sioux Falls)74
    74 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in South Dakota (Sioux Falls)6
    6 (High) UV index

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

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

  • Book car hire in the USA for 7 days & pay for just 5
  • Offer available to UK residents only
  • No hidden charges or credit card fees apply

More about South Dakota

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

Guide to South Dakota weather in September

The average maximum daytime temperature in South Dakota in September is a warm 23°C (73°F). The average night-time temperature is usually a cool 9°C (48°F). There are usually 8 hours of bright sunshine each day, which represents 64% of the 12 hours of daylight.

Expect 74mm (2.9 inches) of rainfall across the whole of September with 8 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The weather in South Dakota in September is represented by Sioux Falls.

South Dakota sunrise & sunset times for September 2017

Browse the sunrise & sunset times for South Dakota in September 2017. Select a month to view South Dakota sunrise & sunset times for the next twelve months. The South Dakota sunrise & sunset times shown below are for Sioux Falls.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2017 06:51 20:02
Saturday, 2nd September 2017 06:52 20:00
Sunday, 3rd September 2017 06:53 19:58
Monday, 4th September 2017 06:54 19:56
Tuesday, 5th September 2017 06:55 19:55
Wednesday, 6th September 2017 06:57 19:53
Thursday, 7th September 2017 06:58 19:51
Friday, 8th September 2017 06:59 19:49
Saturday, 9th September 2017 07:00 19:47
Sunday, 10th September 2017 07:01 19:46
Monday, 11th September 2017 07:02 19:44
Tuesday, 12th September 2017 07:03 19:42
Wednesday, 13th September 2017 07:04 19:40
Thursday, 14th September 2017 07:05 19:38
Friday, 15th September 2017 07:07 19:37
Saturday, 16th September 2017 07:08 19:35
Sunday, 17th September 2017 07:09 19:33
Monday, 18th September 2017 07:10 19:31
Tuesday, 19th September 2017 07:11 19:29
Wednesday, 20th September 2017 07:12 19:27
Thursday, 21st September 2017 07:13 19:25
Friday, 22nd September 2017 07:14 19:24
Saturday, 23rd September 2017 07:16 19:22
Sunday, 24th September 2017 07:17 19:20
Monday, 25th September 2017 07:18 19:18
Tuesday, 26th September 2017 07:19 19:16
Wednesday, 27th September 2017 07:20 19:15
Thursday, 28th September 2017 07:21 19:13
Friday, 29th September 2017 07:22 19:11
Saturday, 30th September 2017 07:24 19:09
  • Save an extra 10% on worldwide car hire
  • Book with the exclusive Argus Car Hire discount code
  • Travel before 31st December 2017 (inclusive)
Show discount code ******8AN

Expires at 23:59 on Saturday 30th September 2017 · View all Argus Car Hire offers

Back to top

South Dakota weather by month

Check South Dakota weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

More South Dakota destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^