September weather forecastMcGregor, ND

September

Weather in September

The first month of the autumn, September, is also an agreeable month in McGregor, North Dakota, with an average temperature varying between 52.7°F (11.5°C) and 71.2°F (21.8°C).

Temperature

As September arrives, McGregor's weather displays a decrease in high-temperatures, transitioning from August's moderately hot 82°F (27.8°C) to a pleasant 71.2°F (21.8°C). McGregor experiences a mean low-temperature of 52.7°F (11.5°C) during September.

Humidity

In McGregor, the average relative humidity in September is 50%.

Rainfall

In McGregor, in September, during 9.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In McGregor, during the entire year, the rain falls for 94.7 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

June through September are months without snowfall in McGregor.

Daylight

In McGregor, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:32 pm. On the last day of September, sunrise is at 7:50 am and sunset at 7:31 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In McGregor, North Dakota, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, in McGregor, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 52.7°F (11.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 82.4°F (28°C).

The average relative humidity in September in McGregor is 50%.

In September, in McGregor, the rain falls for 9.1 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

June through September are months without snowfall in McGregor.

In McGregor, North Dakota, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length is 12h and 34min.

On the first day of September in McGregor, sunrise is at 7:10 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 7:31 pm CDT.

In September, the average sunshine duration is 8.6h.

In September, the average daily maximum UV index in McGregor, North Dakota, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
McGregor, ND

  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (20.8°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest months (with the lowest average low temperature) are January and February (7°F).

Average pressure in September
McGregor, ND

  • Average pressure in September: 29.93"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
McGregor, ND

  • Average wind speed in September: 10mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (8.9mph).

Average humidity in September
McGregor, ND

  • Average humidity in September: 50%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (48%).

Average rainfall in September
McGregor, ND

  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.35").

Average rainfall days in September
McGregor, ND

  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is December (2.5 days).

Average snowfall in September
McGregor, ND

  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
McGregor, ND

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
McGregor, ND

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

Average sunshine days in September
McGregor, ND

  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in September
McGregor, ND

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in September
McGregor, ND

  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 19).

Average visibility in September
McGregor, 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).