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 brings a slight decrease in temperature, down from 84°F (28.9°C) in August to a still moderately hot 75.2°F (24°C). During September, Hot Springs's temperature averages to a fresh 54°F (12.2°C) at night.Humidity
In Hot Springs, the average relative humidity in September is 48%.Rainfall
In Hot Springs, in September, during 9.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Hot Springs, South Dakota, there are 115.8 rainfall days, and 16.61" (422mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Hot Springs, South Dakota. September is the first month it typically snows in Hot Springs, South Dakota. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Hot Springs, there are 49.2 snowfall days, and 23.19" (589mm) of snow is accumulated.Daylight
In Hot Springs, South Dakota, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of September, in Hot Springs, sunrise is at 6:51 am and sunset at 6:36 pm MDT.
Sunshine
In September, the average sunshine is 10.4h.UV index
In Hot Springs, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hot Springs in September?
What is the average humidity in September in Hot Springs?
How many days does it rain in September in Hot Springs?
When does it start to snow in Hot Springs?
How many hours of daylight does Hot Springs have in September?
When are sunrise and sunset in September in Hot Springs?
How many hours of sunshine does Hot Springs have in September?
What is the UV index reading in September in Hot Springs?
Average temperature in September
Hot Springs, SD
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).
Average pressure in September
Hot Springs, SD
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Hot Springs, SD
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in September
Hot Springs, SD
- Average humidity in September: 48%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Hot Springs, SD
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Hot Springs, SD
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Hot Springs, SD
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Hot Springs, SD
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hot Springs, 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: 10h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Hot Springs, SD
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Hot Springs, 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, February, November and December (UV index 2).
Average cloud cover in September
Hot Springs, SD
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Hot Springs, 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).
Hot Springs, South Dakota, USA
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