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
As August transitions into September, Arvilla sees a drop in the average high-temperature, transitioning from a moderately hot 80.2°F (26.8°C) to a pleasant 70.5°F (21.4°C). Arvilla reports an average low-temperature of 52°F (11.1°C) during the nights of September.Humidity
The average relative humidity in September in Arvilla is 62%.Rainfall
In Arvilla, in September, it is raining for 8.5 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 98.8 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Arvilla.Daylight
The average length of the day in September in Arvilla is 12h and 34min.On the first day of the month, sunrise is at 6:49 am and sunset at 8:10 pm. On the last day of September, 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
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the usual temperature for Arvilla in September?
What is the average humidity in September in Arvilla?
How many days does it rain in September in Arvilla?
When it does not snow in Arvilla?
Does it snow in Arvilla in September?
What is the average length of the day in September in Arvilla?
What time are sunrise and sunset in September in Arvilla?
How many hours of sunshine does Arvilla have in September?
What is the UV index reading in September in Arvilla?
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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