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 81.9°F (27.7°C) in August to an agreeable 72.7°F (22.6°C). In September, in Merricourt, the average low-temperature is a fresh 52.2°F (11.2°C).Humidity
The months with the lowest humidity in Merricourt, North Dakota, are August and September, with an average relative humidity of 61%.Rainfall
In Merricourt, in September, during 8.4 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Snowfall
In Merricourt, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:13 pm. On the last day of September, in Merricourt, sunrise is at 7:33 am and sunset at 7:16 pm CDT.
Sunshine
The average sunshine in September in Merricourt is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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 Merricourt?
What are the least humid months in Merricourt?
What is the average humidity in September in Merricourt?
How many days does it rain in September in Merricourt?
When it does not snow in Merricourt?
Does it snow in Merricourt in September?
How many hours of daylight does Merricourt have in September?
When is the sunrise / sunset in September in Merricourt?
How long on average sun shines in September in Merricourt?
What is the UV index reading in September in Merricourt?
Average temperature in September
Merricourt, ND
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Merricourt, 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
Merricourt, ND
- Average wind speed in September: 9.6mph
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 (8.2mph).
Average humidity in September
Merricourt, ND
- Average humidity in September: 61%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in September
Merricourt, ND
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Merricourt, ND
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in September
Merricourt, ND
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Merricourt, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Merricourt, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Merricourt, ND
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Merricourt, 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, November and December (UV index 1).
Average cloud cover in September
Merricourt, ND
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Merricourt, ND
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Merricourt, North Dakota, USA
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