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 brings a slight change in high-temperatures, falling from a warm 81.1°F (27.3°C) in August to an agreeable 70.7°F (21.5°C). During September, Ross witnesses a consistent average low-temperature of 51.1°F (10.6°C).Humidity
In September, the average relative humidity is 54%.Rainfall
In Ross, North Dakota, during September, the rain falls for 6.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 69.9 rainfall days, and 6.77" (172mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Ross is 12h and 34min.On the first day of September in Ross, sunrise is at 7:08 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 7:30 pm CDT.
Sunshine
In September, the average sunshine in Ross is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ross in September?
What is the average humidity in September in Ross?
How many days does it rain in September in Ross?
When it does not snow in Ross?
Does it snow in Ross in September?
What is the average length of the day in September in Ross?
When is the sunrise / sunset in September in Ross?
How long on average sun shines in September in Ross?
What is the UV index intensity in September in Ross?
Average temperature in September
Ross, ND
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Ross, ND
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Ross, ND
- Average wind speed in September: 9.8mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Ross, ND
- Average humidity in September: 54%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Ross, ND
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (1.18").
The driest months (with the least rainfall) are January and February (0.2").
Average rainfall days in September
Ross, ND
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is June (11.3 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Ross, ND
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ross, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ross, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Ross, ND
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in September
Ross, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Ross, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in September
Ross, ND
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Ross, North Dakota, USA
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