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 shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 72.5°F (22.5°C) from a warm 80.2°F (26.8°C). Arco's temperature in September lowers to a consistent average of 53.1°F (11.7°C) during the nights.Humidity
The average relative humidity in September in Arco is 69%.Rainfall
In Arco, during September, the rain falls for 9.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 114.5 rainfall days, and 22.99" (584mm) of precipitation is accumulated.Snowfall
In Arco, snow does not fall in June through September.Daylight
The average length of the day in September in Arco is 12h and 30min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:00 pm. On the last day of September, in Arco, sunrise is at 7:22 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index in Arco is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average September temperature in Arco?
What is the average humidity in September in Arco?
How much does it rain in Arco in September?
When it does not snow in Arco?
Does it snow in Arco in September?
What is the average length of the day in September in Arco?
When are sunrise and sunset in September in Arco?
How long on average sun shines in September in Arco?
How high is the UV index in September in Arco?
Average temperature in September
Arco, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Arco, MN
- Average pressure in September: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Arco, MN
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Arco, MN
- Average humidity in September: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Arco, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Arco, MN
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in September
Arco, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arco, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arco, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Arco, MN
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Arco, 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, February and November (UV index 1).
Average cloud cover in September
Arco, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Arco, MN
- 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).
Arco, Minnesota, USA
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