September weather forecast
Artesian, SD

Share

Weather in September

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

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 84.4°F (29.1°C) in August to a still moderately hot 76.1°F (24.5°C). Artesian throughout September, experiences an average nighttime temperature of 55°F (12.8°C).

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 63%.

Rainfall

In September, the rain falls for 9.2 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 93.2 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Artesian.

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 8:07 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:13 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Artesian in September?

The high-temperature, in September, in Artesian, records 76.1°F (24.5°C), while the low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the least humid month?

September and October, with an average relative humidity of 63%, are the least humid months.

What is the average humidity in September?

The average relative humidity in September is 63%.

How much does it rain in September?

In Artesian, in September, it is raining for 9.2 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In Artesian, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Artesian have in September?

In September, the average day length is 12h and 29min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:55 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:13 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Artesian, SD

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

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in September
Artesian, SD

Average pressure in September - Artesian, SD
  • Average pressure in September: 29.96"Hg

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

Average wind speed in September
Artesian, SD

Average wind speed in September - Artesian, SD
  • Average wind speed in September: 9.7mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity in September
Artesian, SD

Average humidity in September - Artesian, SD
  • Average humidity in September: 63%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).

Average rainfall in September
Artesian, SD

Average rainfall in September - Artesian, SD
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").

Average rainfall days in September
Artesian, SD

Average rainfall days in September - Artesian, SD
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in September
Artesian, SD

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Artesian, SD

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Artesian, SD

Average sunshine days in September - Artesian, SD
  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in September
Artesian, SD

Average UV index in September - Artesian, 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
Artesian, SD

Average cloud cover in September - Artesian, 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 22).

Average visibility in September
Artesian, SD

Average visibility in September - Artesian, 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).

Artesian, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location