Aberdeen
South Dakota, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Aberdeen, SD

During winter, snow cover is seen all over the area in Aberdeen City, South Dakota, there is a clear horizon line even with the dark, heavy clouds over
During winter, snow cover is seen all over the area in Aberdeen City, South Dakota, there is a clear horizon line even with the dark, heavy clouds over
The first month of the autumn, September, is still a pleasant month in Aberdeen, South Dakota, with average temperature ranging between min 45.7°F (7.6°C) and max 72.1°F (22.3°C).

Temperature

In September, the average high-temperature drops, from a warm 81.9°F (27.7°C) in August, to an agreeable 72.1°F (22.3°C). In September, in Aberdeen, the average low-temperature is 45.7°F (7.6°C).

Rainfall

In Aberdeen, during 7.6 rainfall days, 2.2" (55.6mm) of precipitation is typically accumulated. Throughout the year, in Aberdeen, there are 94.4 rainfall days, and 21.7" (551.6mm) of precipitation is accumulated.

Snowfall

In Aberdeen, it doesn't snow. In October, it regularly snows. Throughout the year, in Aberdeen, 38.1" (967.8mm) of snow is accumulated.

Daylight

In Aberdeen, the average length of the day is 12.5h.

Sunshine

In Aberdeen, the average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in September in Aberdeen?

In Aberdeen, in September, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 45.7°F (7.6°C).

How many days does it rain in September in Aberdeen?

In Aberdeen, in September, during 7.6 rainfall days, 2.2" (55.6mm) of precipitation is typically accumulated.

Does it snow in Aberdeen in September?

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

How many hours of daylight does Aberdeen have in September?

In Aberdeen, South Dakota, the average length of the day in September is 12.5h.

How long on average sun shines in September in Aberdeen?

In September, the average sunshine in Aberdeen is 8h.

What is the UV index reading in September in Aberdeen?

The average daily maximum UV index in September in Aberdeen is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Aberdeen, SD
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in September: 45.7°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (1.5°F).

Average rainfall in September - Aberdeen, SD
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is June (3.7").
Driest months (with the lowest rainfall) are January and December (0.5").

Average rainfall days in September - Aberdeen, SD
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is June (11.1 days).
The month with the lowest number of rainy days is January (5.8 days).

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

The month with the highest snowfall is March (7.2").
Months with the lowest snowfall are May, June, July, August and September (0").

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

Months with the highest number of snowfall days are January and December (6.7 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Aberdeen, SD
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 8h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 4h).

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

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).