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 signifies a gentle decline in Wolsey's average high-temperature, easing from a warm 84.2°F (29°C) in August to a still moderately hot 75.7°F (24.3°C). Throughout September, the temperature tends to fall to a consistent average low of 54.5°F (12.5°C).Humidity
September is the least humid month, with an average relative humidity of 62%.Rainfall
In Wolsey, South Dakota, during September, the rain falls for 9.8 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Wolsey, South Dakota, there are 101.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.Snowfall
In Wolsey, snow does not fall in May through September.Daylight
In Wolsey, South Dakota, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:57 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September in Wolsey is 8.9h.UV index
In Wolsey, South Dakota, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are the temperatures in Wolsey in September?
What is the least humid month in Wolsey?
What is the average humidity in September in Wolsey?
How much does it rain in Wolsey in September?
When it does not snow in Wolsey?
Does it snow in Wolsey in September?
How many hours of daylight does Wolsey have in September?
What time are sunrise and sunset in September in Wolsey?
How long on average sun shines in September in Wolsey?
How high is the UV index in September in Wolsey?
Average temperature in September
Wolsey, SD
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Wolsey, SD
- Average pressure in September: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Wolsey, SD
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in September
Wolsey, SD
- Average humidity in September: 62%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Wolsey, SD
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Wolsey, SD
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Wolsey, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Wolsey, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wolsey, 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: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Wolsey, SD
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Wolsey, 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 January and November (UV index 1).
Average cloud cover in September
Wolsey, SD
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in September
Wolsey, 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).
Wolsey, South Dakota, USA
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