September weather forecast
Saint Anthony, ND

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Weather in September

The first month of the autumn, September, is also an agreeable month in Saint Anthony, North Dakota, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 52°F (11.1°C).

Temperature

Onset of September witnesses a reduction in the average high-temperature, falling from a warm 82.2°F (27.9°C) in August to a pleasant 72°F (22.2°C). Saint Anthony records a steady low-temperature average of 52°F (11.1°C) during September.

Humidity

The average relative humidity in September is 57%.

Rainfall

In Saint Anthony, during September, the rain falls for 8.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Saint Anthony, during the entire year, the rain falls for 105.9 days and collects up to 15" (381mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Saint Anthony, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 7:04 am and sunset at 8:22 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:24 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in Saint Anthony, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 52°F (11.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 84.2°F (29°C).

What is the average humidity in September?

The average relative humidity in September is 57%.

How much does it rain in September?

In September, the rain falls for 8.9 days. Throughout September, 1.22" (31mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Saint Anthony, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Saint Anthony, the average day length in September is 12h and 32min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:04 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:24 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.6h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Saint Anthony, ND

Average temperature in September - Saint Anthony, ND
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure in September
Saint Anthony, ND

Average pressure in September - Saint Anthony, ND
  • Average pressure in September: 29.95"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
Saint Anthony, ND

Average wind speed in September - Saint Anthony, ND
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in September
Saint Anthony, ND

Average humidity in September - Saint Anthony, ND
  • Average humidity in September: 57%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

Average rainfall in September
Saint Anthony, ND

Average rainfall in September - Saint Anthony, ND
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Saint Anthony, ND

Average rainfall days in September - Saint Anthony, ND
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in September
Saint Anthony, ND

Average snowfall in September - Saint Anthony, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Saint Anthony, ND

Average snowfall days in September - Saint Anthony, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saint Anthony, ND

Average daylight in September / Average sunshine in September - Saint Anthony, ND
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Saint Anthony, ND

Average sunshine days in September - Saint Anthony, ND
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).

Average UV index in September
Saint Anthony, ND

Average UV index in September - Saint Anthony, 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, November and December (UV index 1).

Average cloud cover in September
Saint Anthony, ND

Average cloud cover in September - Saint Anthony, ND
  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 21).

Average visibility in September
Saint Anthony, ND

Average visibility in September - Saint Anthony, 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).

Saint Anthony, North Dakota, USA

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