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
Arvilla's September weather comes with a decrease in average high-temperatures, moving from a warm 80.2°F (26.8°C) in August to an agreeable 70.5°F (21.4°C). During the nights in September, Arvilla experiences a consistent average temperature of 52°F (11.1°C).Humidity
The average relative humidity in September is 62%.Rainfall
In Arvilla, during September, the rain falls for 8.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Arvilla, during the entire year, the rain falls for 98.8 days and collects up to 17.64" (448mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 6:49 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:10 pm CDT.
Sunshine
In Arvilla, the average sunshine in September is 8.6h.UV index
In Arvilla, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Arvilla have in September?
How high is the UV index in September?
Average temperature in September
Arvilla, ND
- Average high temperature in September: 70.5°F
The warmest months (with the highest average high temperature) are July and August (80.2°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in September
Arvilla, ND
- 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 (29.85"Hg).
Average wind speed in September
Arvilla, ND
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in September
Arvilla, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Arvilla, ND
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Arvilla, ND
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Arvilla, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arvilla, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arvilla, 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 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Arvilla, ND
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Arvilla, ND
- 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
Arvilla, ND
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Arvilla, 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).
Arvilla, North Dakota, USA
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