September weather forecast
Utica, SD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Utica, South Dakota, with an average temperature fluctuating between 76.1°F (24.5°C) and 55°F (12.8°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). September's average low-temperature reading settles at a fresh 55°F (12.8°C).

Humidity

The average relative humidity in September is 67%.

Rainfall

In September, the rain falls for 11.6 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

In Utica, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Utica, is 76.1°F (24.5°C), while the low-temperature averages to 55°F (12.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 67%.

How many days does it rain in September?

In September, the rain falls for 11.6 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

In Utica, snow does not fall in June through September.

Does it snow in September?

In Utica, South Dakota, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Utica have in September?

The average day length in September in Utica, South Dakota, is 12h and 29min.

When is the sunrise / sunset in September?

On the first day of September in Utica, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:12 pm CDT.

How long on average sun shines in September?

In Utica, the average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Utica, SD

Average temperature in September - Utica, SD
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in September
Utica, SD

Average pressure in September - Utica, SD
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Utica, SD

Average wind speed in September - Utica, SD
  • Average wind speed in September: 9.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in September
Utica, SD

Average humidity in September - Utica, SD
  • Average humidity in September: 67%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

Average rainfall in September
Utica, SD

Average rainfall in September - Utica, SD
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in September
Utica, SD

Average rainfall days in September - Utica, SD
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in September
Utica, SD

Average snowfall in September - Utica, SD
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Utica, SD

Average snowfall days in September - Utica, SD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Utica, SD

Average daylight in September / Average sunshine in September - Utica, SD
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Utica, SD

Average sunshine days in September - Utica, SD
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in September
Utica, SD

Average UV index in September - Utica, SD
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Utica, SD

Average cloud cover in September - Utica, SD
  • Average cloud cover in September: 26

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Utica, SD

Average visibility in September - Utica, SD
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Utica, South Dakota, USA

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