September weather forecast
Grandin, ND

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Weather in September

September, the first month of the autumn in Grandin, is also an agreeable month, with an average temperature ranging between max 71.1°F (21.7°C) and min 52.3°F (11.3°C).

Temperature

September indicates a shift in the average high-temperature, from August's moderately hot 81.1°F (27.3°C) to an agreeable 71.1°F (21.7°C). In the month of September, the average low-temperature usually rests at a fresh 52.3°F (11.3°C).

Humidity

In Grandin, the average relative humidity in September is 62%.

Rainfall

In Grandin, North Dakota, in September, during 8.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 103 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

In Grandin, North Dakota, snow does not fall in June through September.

Daylight

In Grandin, North Dakota, the average length of the day in September is 12h and 32min.
On the first day of September in Grandin, sunrise is at 6:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:08 pm CDT.

Sunshine

The average sunshine in September in Grandin is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What is the temperature in September in Grandin?

In September, the average high-temperature and low-temperature are 71.1°F (21.7°C) and 52.3°F (11.3°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 84.2°F (29°C).

What is the average humidity in September in Grandin?

In Grandin, North Dakota, the average relative humidity in September is 62%.

How many days does it rain in September in Grandin?

In Grandin, North Dakota, in September, during 8.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Grandin?

In Grandin, North Dakota, snow does not fall in June through September.

Does it snow in Grandin in September?

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

What is the average length of the day in September in Grandin?

The average day length in September in Grandin, North Dakota, is 12h and 32min.

When is the sunrise / sunset in September in Grandin?

On the first day of September in Grandin, North Dakota, sunrise is at 6:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:08 pm CDT.

How many hours of sunshine does Grandin have in September?

The average sunshine duration in September in Grandin, North Dakota, is 8.7h.

What is the UV index reading in September in Grandin?

In Grandin, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Grandin, ND

Average temperature in September - Grandin, ND
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).

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Average pressure in September
Grandin, ND

Average pressure in September - Grandin, 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 (29.86"Hg).

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Average wind speed in September
Grandin, ND

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

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in September
Grandin, ND

Average humidity in September - Grandin, 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%).

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Average rainfall in September
Grandin, ND

Average rainfall in September - Grandin, ND
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days in September
Grandin, ND

Average rainfall days in September - Grandin, ND
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in September
Grandin, ND

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

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Grandin, ND

Average snowfall days in September - Grandin, ND
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in September
Grandin, ND

Average sunshine days in September - Grandin, ND
  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in September
Grandin, ND

Average UV index in September - Grandin, 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).

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Average cloud cover in September
Grandin, ND

Average cloud cover in September - Grandin, ND
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Grandin, ND

Average visibility in September - Grandin, 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).

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Grandin, North Dakota, USA

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