September weather forecastRutland, SD
September
Weather in September
September, the first month of the autumn in Rutland, is still a pleasant month, with an average temperature ranging between min 52.7°F (11.5°C) and max 73°F (22.8°C).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a warm 81°F (27.2°C) in August to an agreeable 73°F (22.8°C). Rutland observes an average low-temperature of 52.7°F (11.5°C) during September nights.Humidity
The average relative humidity in September is 69%.Rainfall
In Rutland, South Dakota, during September, the rain falls for 10.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Rutland, during the entire year, the rain falls for 111.2 days and collects up to 21.14" (537mm) of precipitation.Snowfall
In Rutland, snow does not fall in June through September.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 Rutland, the average sunshine in September is 8.7h.UV index
In Rutland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rutland, SD
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
Rutland, 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 (29.85"Hg).
Average wind speed in September
Rutland, SD
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in September
Rutland, SD
- Average humidity in September: 69%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Rutland, SD
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in September
Rutland, SD
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in September
Rutland, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rutland, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rutland, SD
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 42min
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
Rutland, SD
- Average sunshine days in September: 18 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Rutland, SD
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Rutland, SD
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Rutland, 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).
