September weather forecastCamp Crook, SD
September
Weather in September
September at Camp Crook showcases milder weather as the city transitions into fall. Temperatures hover from 54.5°F (12.5°C) to 73.2°F (22.9°C), signaling the city's entry into a cooler phase of the year. Still, with longer daylight hours, September offers the best of both summer's luminosity and autumn's soothing comfort. The onset of fall colors adds a picturesque element to the city's panorama, making this month a visually stunning period in Camp Crook's annual weather trajectory.Temperature
Setting in of September in Camp Crook comes with a decrease in the average high-temperature, moving from a warm 82.9°F (28.3°C) in August to an agreeable 73.2°F (22.9°C). An average nighttime temperature of 54.5°F (12.5°C) is observed during September.Humidity
In Camp Crook, the average relative humidity in September is 48%.Rainfall
In Camp Crook, in September, during 9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Camp Crook, there are 103.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.Snowfall
In Camp Crook, South Dakota, snow does not fall in June through September.Daylight
The average length of the day in September in Camp Crook is 12h and 31min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:37 pm MDT.
Sunshine
In Camp Crook, the average sunshine in September is 10h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Camp Crook, SD
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Camp Crook, SD
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Camp Crook, SD
- Average wind speed in September: 10.6mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in September
Camp Crook, SD
- Average humidity in September: 48%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Camp Crook, SD
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in September
Camp Crook, SD
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Camp Crook, SD
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Camp Crook, SD
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Camp Crook, 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: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in September
Camp Crook, SD
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Camp Crook, 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 February and December (UV index 1).
Average cloud cover in September
Camp Crook, SD
- Average cloud cover in September: 22
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Camp Crook, 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).
