Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's arrival, Eagle Butte sees a decrease in average high-temperatures, moving from a moderately hot 84.7°F (29.3°C) in August to a still warm 75.4°F (24.1°C). During the month of September, an average low-temperature of 56.3°F (13.5°C) is recorded.Humidity
August and September, with an average relative humidity of 49%, are the least humid months in Eagle Butte, South Dakota.Rainfall
In September, the rain falls for 7.9 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Eagle Butte, South Dakota, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.Snowfall
In Eagle Butte, snow does not fall in June through September.Daylight
In September, the average length of the day 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, in Eagle Butte, South Dakota, sunrise is at 6:42 am and sunset at 6:26 pm MDT.
Sunshine
In September, the average sunshine in Eagle Butte, South Dakota, is 9.7h.UV index
In Eagle Butte, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average September temperature in Eagle Butte?
What are the least humid months in Eagle Butte?
What is the average humidity in September in Eagle Butte?
How much does it rain in Eagle Butte in September?
When it does not snow in Eagle Butte?
Does it snow in Eagle Butte in September?
How many hours of daylight does Eagle Butte have in September?
When are sunrise and sunset in September in Eagle Butte?
How long on average sun shines in September in Eagle Butte?
What is the UV index reading in September in Eagle Butte?
Average temperature in September
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
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
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
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
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
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
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
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
Eagle Butte, 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: 9h and 4min
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
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
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
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
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).
Eagle Butte, South Dakota, USA
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