September weather forecast
Lonetree, ND

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Weather in September

September, the first month of the autumn in Lonetree, is also an agreeable month, with an average temperature varying between 70.3°F (21.3°C) and 50.9°F (10.5°C).

Temperature

As August transitions to September, the average high-temperature falls from a warm 81.5°F (27.5°C) to an agreeable 70.3°F (21.3°C). During the month of September, an average temperature of 50.9°F (10.5°C) is noted during the nights in Lonetree.

Humidity

The average relative humidity in September is 56%.

Rainfall

In Lonetree, during September, the rain falls for 10.3 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.

Snowfall

In Lonetree, snow does not fall in June through September.

Daylight

The average length of the day in September in Lonetree is 12h and 34min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:26 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Lonetree, North Dakota, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Lonetree in September?

In Lonetree, 70.3°F (21.3°C) is the average high-temperature and 50.9°F (10.5°C) is the average low-temperature during September. 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, in August is calculated to be 82.4°F (28°C).

What is the average humidity in September in Lonetree?

In Lonetree, the average relative humidity in September is 56%.

How many days does it rain in September in Lonetree?

In Lonetree, in September, it is raining for 10.3 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Lonetree?

June through September are months without snowfall in Lonetree, North Dakota.

Does it snow in Lonetree in September?

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

How many hours of daylight does Lonetree have in September?

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

When are sunrise and sunset in September in Lonetree?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 8:27 pm. On the last day of the month, in Lonetree, North Dakota, sunrise is at 7:45 am and sunset at 7:26 pm CDT.

How long on average sun shines in September in Lonetree?

The average sunshine duration in September in Lonetree is 8.5h.

How high is the UV index in September in Lonetree?

The average daily maximum UV index in September in Lonetree, North Dakota, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Lonetree, ND

Average temperature in September - Lonetree, ND
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in September
Lonetree, ND

Average pressure in September - Lonetree, ND
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Lonetree, ND

Average wind speed in September - Lonetree, ND
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in September
Lonetree, ND

Average humidity in September - Lonetree, ND
  • Average humidity in September: 56%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in September
Lonetree, ND

Average rainfall in September - Lonetree, ND
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").

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Average rainfall days in September
Lonetree, ND

Average rainfall days in September - Lonetree, ND
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).

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Average snowfall in September
Lonetree, ND

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

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lonetree, ND

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

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lonetree, ND
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

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Average sunshine days in September
Lonetree, ND

Average sunshine days in September - Lonetree, ND
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in September
Lonetree, ND

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

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Average cloud cover in September
Lonetree, ND

Average cloud cover in September - Lonetree, ND
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Lonetree, ND

Average visibility in September - Lonetree, 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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Lonetree, North Dakota, USA

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