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's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). Lesterville's nighttime temperature during September is consistently averaged at a fresh 55°F (12.8°C).Humidity
The average relative humidity in September is 67%.Rainfall
In Lesterville, in September, it is raining for 11.6 days, with typically 1.81" (46mm) of accumulated precipitation. In Lesterville, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Lesterville is 12h and 29min.On the first day of September, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Lesterville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Lesterville in September?
What is the average humidity in September in Lesterville?
How much does it rain in Lesterville in September?
When it does not snow in Lesterville?
Does it snow in Lesterville in September?
How many hours of daylight does Lesterville have in September?
When is the sunrise / sunset in September in Lesterville?
How many hours of sunshine does Lesterville have in September?
What is the UV index intensity in September in Lesterville?
Average temperature in September
Lesterville, SD
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Lesterville, SD
- Average pressure in September: 29.97"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
Lesterville, SD
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Lesterville, SD
- Average humidity in September: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Lesterville, SD
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Lesterville, SD
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Lesterville, SD
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lesterville, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lesterville, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Lesterville, SD
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Lesterville, SD
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Lesterville, SD
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Lesterville, 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).
Lesterville, South Dakota, USA
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