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 transition into September involves a decrease in the average high-temperature, falling from a warm 81.1°F (27.3°C) in August to a pleasant 70.7°F (21.5°C). Roseglen's nights in September cool down to an average low-temperature of 51.3°F (10.7°C).Humidity
In September, the average relative humidity is 56%.Rainfall
In Roseglen, in September, it is raining for 9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 95.9 rainfall days, and 14.65" (372mm) of precipitation is accumulated.Snowfall
In Roseglen, snow does not fall in June through September.Daylight
In Roseglen, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:27 pm. On the last day of September, sunrise is at 7:46 am and sunset at 7:27 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Roseglen in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Roseglen?
What is the UV index reading in September?
Average temperature in September
Roseglen, ND
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Roseglen, 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
Roseglen, ND
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Roseglen, ND
- Average humidity in September: 56%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Roseglen, ND
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Roseglen, ND
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Roseglen, ND
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Roseglen, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roseglen, ND
- Average daylight in September: 12h and 4min
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: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Roseglen, ND
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is March (13.9 days).
Average UV index in September
Roseglen, 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 and December (UV index 1).
Average cloud cover in September
Roseglen, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in September
Roseglen, ND
- 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).
Roseglen, North Dakota, USA
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