September weather forecast
Conde, SD

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Weather in September

September, the first month of the autumn in Conde, is also a moderately hot month, with an average temperature fluctuating between 74.3°F (23.5°C) and 52.9°F (11.6°C).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 83.1°F (28.4°C) in August to a still warm 74.3°F (23.5°C). An average low-temperature of 52.9°F (11.6°C) is common during the nights of September.

Humidity

The months with the lowest humidity in Conde are August and September, with an average relative humidity of 60%.

Rainfall

In September, the rain falls for 8.9 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. In Conde, South Dakota, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

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

Daylight

In Conde, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:55 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:14 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in September transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The average high-temperature and low-temperature in Conde during September are 74.3°F (23.5°C) and 52.9°F (11.6°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the least humid month?

August and September, with an average relative humidity of 60%, are the least humid months.

What is the average humidity in September?

In Conde, the average relative humidity in September is 60%.

How many days does it rain in September?

In Conde, in September, it is raining for 8.9 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

In Conde, 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 6:55 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:14 pm CDT.

How many hours of sunshine does Conde have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Conde, SD

Average temperature in September - Conde, SD
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in September
Conde, SD

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Conde, SD

Average wind speed in September - Conde, SD
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in September
Conde, SD

Average humidity in September - Conde, SD
  • Average humidity in September: 60%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in September
Conde, SD

Average rainfall in September - Conde, SD
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Conde, SD

Average rainfall days in September - Conde, SD
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in September
Conde, SD

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

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Conde, SD

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

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Conde, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Conde, SD

Average sunshine days in September - Conde, SD
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in September
Conde, SD

Average UV index in September - Conde, SD
  • Average UV index in September: 4

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

Average cloud cover in September
Conde, SD

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

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in September
Conde, SD

Average visibility in September - Conde, 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).

Conde, South Dakota, USA

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