September weather forecastNorth Eagle Butte, SD
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in North Eagle Butte, South Dakota, with an average temperature fluctuating between 56.3°F (13.5°C) and 75.4°F (24.1°C).Temperature
The arrival of September corresponds with a reduction in the average high-temperature, down from August's 84.7°F (29.3°C) to a still warm 75.4°F (24.1°C). An average temperature of 56.3°F (13.5°C) marks the nights in September.Humidity
August and September, with an average relative humidity of 49%, are the least humid months in North Eagle Butte.Rainfall
In North Eagle Butte, during September, the rain falls for 7.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. In North Eagle Butte, during the entire year, the rain falls for 99.7 days and collects up to 16.06" (408mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in North Eagle Butte is 12h and 31min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:26 pm MDT.
Sunshine
In North Eagle Butte, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Eagle Butte, SD
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
North Eagle Butte, SD
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
North Eagle Butte, SD
- Average wind speed in September: 11.3mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).
Average humidity in September
North Eagle Butte, SD
- Average humidity in September: 49%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in September
North Eagle Butte, SD
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
North Eagle Butte, SD
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in September
North Eagle Butte, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North Eagle Butte, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Eagle Butte, SD
- Average daylight in September: 12h and 30min
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: 9h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
North Eagle Butte, SD
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in September
North Eagle Butte, SD
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
North Eagle Butte, SD
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in September
North Eagle Butte, 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).
