September weather forecast
Garden City, SD

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Weather in September

The first month of the autumn, September, is still a pleasant month in Garden City, South Dakota, with an average temperature ranging between min 51.3°F (10.7°C) and max 71.6°F (22°C).

Temperature

As August makes way for September, Garden City's average high-temperature eases from a moderately hot 80.1°F (26.7°C) to an agreeable 71.6°F (22°C). Garden City, in the month of September, anticipates a consistent average low-temperature of 51.3°F (10.7°C).

Humidity

September and October, with an average relative humidity of 68%, are the least humid months.

Rainfall

In Garden City, during September, the rain falls for 10.4 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Garden City, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Garden City is 12h and 31min.
On the first day of the month, sunrise is at 6:53 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 28, 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 Garden City, records 71.6°F (22°C), while the low-temperature is 51.3°F (10.7°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 84.2°F (29°C).

What are the least humid months?

The months with the lowest humidity are September and October, with an average relative humidity of 68%.

What is the average humidity in September in Garden City?

In September, the average relative humidity in Garden City is 68%.

How much does it rain in September?

In Garden City, in September, it is raining for 10.4 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In Garden City, the average day length in September is 12h and 31min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:53 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:12 pm CDT.

How long on average sun shines in September?

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

What is the UV index intensity in September?

In Garden City, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Garden City, SD

Average temperature in September - Garden City, SD
  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

Average pressure in September
Garden City, SD

Average pressure in September - Garden City, SD
  • Average pressure in September: 29.97"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
Garden City, SD

Average wind speed in September - Garden City, SD
  • Average wind speed in September: 10mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in September
Garden City, SD

Average humidity in September - Garden City, SD
  • Average humidity in September: 68%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

Average rainfall in September
Garden City, SD

Average rainfall in September - Garden City, SD
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

Average rainfall days in September
Garden City, SD

Average rainfall days in September - Garden City, SD
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in September
Garden City, SD

Average snowfall in September - Garden City, SD
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Garden City, SD

Average snowfall days in September - Garden City, SD
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Garden City, SD

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Garden City, SD

Average sunshine days in September - Garden City, SD
  • Average sunshine days in September: 18.2 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Garden City, SD

Average UV index in September - Garden City, SD
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Garden City, SD

Average cloud cover in September - Garden City, SD
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Garden City, SD

Average visibility in September - Garden City, SD
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Garden City, South Dakota, USA

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