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
In Shelly, entering September brings a temperature decrement, reducing from August's warm 81.1°F (27.3°C) to a pleasant 71.1°F (21.7°C). An average low-temperature of 52.3°F (11.3°C) is recorded during the nights in September in Shelly.Humidity
In September, the average relative humidity is 62%.Rainfall
In September, in Shelly, the rain falls for 8.5 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. In Shelly, during the entire year, the rain falls for 103 days and collects up to 18.35" (466mm) of precipitation.Snowfall
In Shelly, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:08 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in September in Shelly?
What is the average humidity in September in Shelly?
How much does it rain in Shelly in September?
When it does not snow in Shelly?
Does it snow in Shelly in September?
What is the average length of the day in September in Shelly?
What time are sunrise and sunset in September in Shelly?
How long on average sun shines in September in Shelly?
What is the UV index reading in September in Shelly?
Average temperature in September
Shelly, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).
Average pressure in September
Shelly, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Shelly, MN
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Shelly, MN
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Shelly, MN
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in September
Shelly, MN
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Shelly, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shelly, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Shelly, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Shelly, MN
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Shelly, MN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Shelly, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Shelly, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Shelly, Minnesota, USA
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