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
The beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 81.7°F (27.6°C) in August to a still warm 74.7°F (23.7°C). Parker throughout September, experiences an average nighttime temperature of 54°F (12.2°C).Humidity
The average relative humidity in September is 70%.Rainfall
In Parker, in September, during 10.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Parker, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) of precipitation.Snowfall
June through September are months without snowfall in Parker.Daylight
In Parker, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Parker in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Parker have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Parker, SD
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Parker, SD
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Parker, SD
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Parker, SD
- Average humidity in September: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Parker, SD
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days in September
Parker, SD
- Average rainfall days in September: 10.5 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Parker, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Parker, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Parker, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Parker, SD
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Parker, SD
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Parker, SD
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Parker, 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).
Parker, South Dakota, USA
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