September weather forecast and climate
Hebron, ND

Weather in September

The first month of the autumn, September, is still a pleasant month in Hebron, North Dakota, with average temperature fluctuating between 51.8°F (11°C) and 71.6°F (22°C).

Temperature

In Hebron, the average high-temperature decreases, from a warm 81.9°F (27.7°C) in August, to a pleasant 71.6°F (22°C). In September, the average low-temperature is 51.8°F (11°C).

Humidity

The average relative humidity in Hebron is 55%.

Rainfall

In September, the rain falls for 9.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Hebron, during the entire year, the rain falls for 100.8 days and collects up to 14.88" (378mm) of precipitation.

Snowfall

June through September are months without snowfall in Hebron.

Daylight

In Hebron, the average length of the day is 12.5h.

Sunshine

In Hebron, the average sunshine in September is 8.6h.

UV index

In Hebron, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Hebron?

The average high-temperature, in September, in Hebron, North Dakota, is 71.6°F (22°C), while the average low-temperature is 51.8°F (11°C).

What is the average humidity in September in Hebron?

The average relative humidity in September in Hebron, North Dakota, is 55%.

How much does it rain in Hebron in September?

In Hebron, during September, the rain falls for 9.1 days and regularly aggregates up to 1.93" (49mm) of precipitation.

Does it snow in Hebron in September?

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

When it does not snow in Hebron?

June through September are months without snowfall in Hebron.

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

The average length of the day in September is 12.5h.

How long on average sun shines in September in Hebron?

The average sunshine in September in Hebron is 8.6h.

What is the UV index reading in September in Hebron?

In Hebron, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Hebron, ND

Average temperature in September - Hebron, ND
  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (21.2°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

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Average pressure in September
Hebron, ND

Average pressure in September - Hebron, ND
  • Average pressure in September: 29.94"

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in September
Hebron, ND

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

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

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Average humidity in September
Hebron, ND

Average humidity in September - Hebron, ND
  • Average humidity in September: 55%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in September
Hebron, ND

Average rainfall in September - Hebron, ND
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in September
Hebron, ND

Average rainfall days in September - Hebron, ND
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in September
Hebron, ND

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

The month with the highest snowfall is December (3.98").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Hebron, ND

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

The month with the highest number of snowfall days is January (13.8 days).
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
Hebron, ND

Average daylight in September / Average sunshine in September - Hebron, ND
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 11.4h).
Months with the least sunshine are January and December (Average sunshine: 4).

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Average sunshine days in September
Hebron, ND

Average sunshine days in September - Hebron, ND
  • Average sunshine days in September: 20 days

The month with the most sunshine days is September (20 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in September
Hebron, ND

Average UV index in September - Hebron, ND
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Hebron, ND

Average cloud cover in September - Hebron, ND
  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 61).
Months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in September
Hebron, ND

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

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

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