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
A mild shift in the average high-temperature occurs in September, reducing from a warm 80.2°F (26.8°C) in August to a pleasant 72.5°F (22.5°C). An average low-temperature of 52.3°F (11.3°C) marks the nights in Estelline, South Dakota throughout September.Humidity
In Estelline, the average relative humidity in September is 70%.Rainfall
In Estelline, in September, it is raining for 10.9 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Estelline, South Dakota, there are 125.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:09 pm CDT.
Sunshine
In Estelline, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Estelline is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the average September temperature in Estelline?
What is the average humidity in September in Estelline?
How much does it rain in Estelline in September?
When it does not snow in Estelline?
Does it snow in Estelline in September?
How many hours of daylight does Estelline have in September?
When are sunrise and sunset in September in Estelline?
How long on average sun shines in September in Estelline?
What is the UV index reading in September in Estelline?
Average temperature in September
Estelline, SD
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Estelline, 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 (29.86"Hg).
Average wind speed in September
Estelline, SD
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Estelline, SD
- Average humidity in September: 70%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Estelline, SD
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in September
Estelline, SD
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in September
Estelline, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Estelline, SD
- Average snowfall days in September: 0 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, August and September (0 days).
Average daylight in September /
Average sunshine in September
Estelline, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Estelline, SD
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Estelline, SD
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Estelline, SD
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Estelline, 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).
Estelline, South Dakota, USA
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