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
September brings a slight decrease in the average high-temperature, shifting from a moderately hot 84.6°F (29.2°C) in August to a still warm 75.7°F (24.3°C). In the month of September, an average of 55.8°F (13.2°C) marks the low-temperature in Spring Creek.Humidity
The least humid month is September, with an average relative humidity of 56%.Rainfall
In Spring Creek, in September, during 10.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Spring Creek, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.Daylight
In September, the average length of the day in Spring Creek is 12h and 29min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:18 pm. On the last day of September, in Spring Creek, sunrise is at 7:41 am and sunset at 7:26 pm CDT.
Sunshine
In September, the average sunshine in Spring Creek is 9.1h.UV index
In September, the average daily maximum UV index in Spring Creek is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Spring Creek in September?
What is the least humid month in Spring Creek?
What is the average humidity in September in Spring Creek?
How many days does it rain in September in Spring Creek?
When does it start to snow in Spring Creek?
What is the average length of the day in September in Spring Creek?
When is the sunrise / sunset in September in Spring Creek?
How long on average sun shines in September in Spring Creek?
How high is the UV index in September in Spring Creek?
Average temperature in September
Spring Creek, SD
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Spring Creek, SD
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Spring Creek, SD
- Average wind speed in September: 11.7mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity in September
Spring Creek, SD
- Average humidity in September: 56%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall in September
Spring Creek, SD
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Spring Creek, SD
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Spring Creek, SD
- Average snowfall in September: 0.2"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Spring Creek, SD
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Spring Creek, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Spring Creek, SD
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
Spring Creek, SD
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Spring Creek, SD
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility in September
Spring Creek, 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).
Spring Creek, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location
