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
With the beginning of September, the average high-temperature shows a decrease, transitioning from 84.2°F (29°C) in August to a still warm 74.5°F (23.6°C). In September, Maple Leaf records an average nighttime temperature of 54.5°F (12.5°C).Humidity
The average relative humidity in September in Maple Leaf is 53%.Rainfall
In Maple Leaf, in September, it is raining for 7.1 days, with typically 1.18" (30mm) of accumulated precipitation. In Maple Leaf, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.Snowfall
In Maple Leaf, snow does not fall in June through September.Daylight
The average length of the day in September in Maple Leaf is 12h and 31min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:21 pm. On the last day of September, in Maple Leaf, South Dakota, sunrise is at 6:41 am and sunset at 6:24 pm MDT.
Sunshine
In Maple Leaf, the average sunshine in September is 8.6h.UV index
In Maple Leaf, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Maple Leaf in September?
What is the average humidity in September in Maple Leaf?
How much does it rain in Maple Leaf in September?
When it does not snow in Maple Leaf?
Does it snow in Maple Leaf in September?
How many hours of daylight does Maple Leaf have in September?
When are sunrise and sunset in September in Maple Leaf?
How long on average sun shines in September in Maple Leaf?
What is the UV index intensity in September in Maple Leaf?
Average temperature in September
Maple Leaf, SD
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Maple Leaf, SD
- Average pressure in September: 29.94"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
Maple Leaf, SD
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in September
Maple Leaf, SD
- Average humidity in September: 53%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Maple Leaf, SD
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Maple Leaf, SD
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Maple Leaf, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Maple Leaf, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Maple Leaf, SD
- Average daylight in September: 12h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Maple Leaf, SD
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in September
Maple Leaf, 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 December (UV index 1).
Average cloud cover in September
Maple Leaf, SD
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Maple Leaf, 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).
Maple Leaf, South Dakota, USA
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