September weather forecast
Oriska, ND

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Weather in September

The first month of the autumn, September, is also an agreeable month in Oriska, North Dakota, with an average temperature fluctuating between 51.4°F (10.8°C) and 70.7°F (21.5°C).

Temperature

As August transitions into September, Oriska sees a drop in the average high-temperature, transitioning from a moderately hot 80.2°F (26.8°C) to an agreeable 70.7°F (21.5°C). The average temperature during September nights in Oriska is registered at a fresh 51.4°F (10.8°C).

Humidity

In September, the average relative humidity is 62%.

Rainfall

In Oriska, during September, the rain falls for 8.2 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Oriska, during the entire year, the rain falls for 94.8 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

June through September are months without snowfall in Oriska.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 6:51 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in September in Oriska is 8.6h.

UV index

In September, the average daily maximum UV index in Oriska is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Oriska in September?

In Oriska, 70.7°F (21.5°C) is the average high-temperature and 51.4°F (10.8°C) is the average low-temperature during September. In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 84.2°F (29°C).

What is the average humidity in September in Oriska?

The average relative humidity in September in Oriska is 62%.

How many days does it rain in September in Oriska?

In Oriska, North Dakota, during September, the rain falls for 8.2 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Oriska?

June through September are months without snowfall in Oriska.

Does it snow in Oriska in September?

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

How many hours of daylight does Oriska have in September?

In September, the average day length in Oriska, North Dakota, is 12h and 32min.

What time are sunrise and sunset in September in Oriska?

On the first day of September in Oriska, North Dakota, sunrise is at 6:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:12 pm CDT.

How many hours of sunshine does Oriska have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index intensity in September in Oriska?

In September, the average daily maximum UV index in Oriska, North Dakota, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Oriska, ND

Average temperature in September - Oriska, ND
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (17.1°F).

  • Average low temperature in September: 51.4°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.4°F).

Average pressure in September
Oriska, ND

Average pressure in September - Oriska, ND
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Oriska, ND

Average wind speed in September - Oriska, ND
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity in September
Oriska, ND

Average humidity in September - Oriska, 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 (61%).

Average rainfall in September
Oriska, ND

Average rainfall in September - Oriska, ND
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in September
Oriska, ND

Average rainfall days in September - Oriska, ND
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in September
Oriska, ND

Average snowfall in September - Oriska, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.11").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Oriska, ND

Average snowfall days in September - Oriska, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Oriska, 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: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Oriska, ND

Average sunshine days in September - Oriska, ND
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in September
Oriska, ND

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

Average cloud cover in September
Oriska, ND

Average cloud cover in September - Oriska, ND
  • Average cloud cover in September: 28

The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in September
Oriska, ND

Average visibility in September - Oriska, ND
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

Oriska, North Dakota, USA

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