September weather forecastHoughton, SD
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Houghton, South Dakota, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 52.2°F (11.2°C).Temperature
September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 81.9°F (27.7°C) to a pleasant 72.7°F (22.6°C). Houghton records a consistent low-temperature of 52.2°F (11.2°C) during September nights.Humidity
August and September, with an average relative humidity of 61%, are the least humid months in Houghton.Rainfall
In Houghton, in September, it is raining for 8.4 days, with typically 1.14" (29mm) of accumulated precipitation. In Houghton, during the entire year, the rain falls for 92.3 days and collects up to 15.28" (388mm) of precipitation.Snowfall
June through September are months without snowfall in Houghton.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:10 pm. On the last day of September, in Houghton, sunrise is at 7:30 am and sunset at 7:14 pm CDT.
Sunshine
In September, the average sunshine in Houghton is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Houghton, SD
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Houghton, SD
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Houghton, SD
- Average wind speed in September: 9.6mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in September
Houghton, SD
- Average humidity in September: 61%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in September
Houghton, SD
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Houghton, SD
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in September
Houghton, SD
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Houghton, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Houghton, SD
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Houghton, SD
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Houghton, 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, November and December (UV index 1).
Average cloud cover in September
Houghton, SD
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Houghton, SD
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
