September weather forecast
Zap, ND

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Weather in September

September marks the onset of autumn in Zap, North Dakota, bringing with it a noticeable change in its weather patterns. The month is defined by temperate conditions with an ambiance that fluctuates between the warmth of summer and the cool of approaching winter. A refreshing change in the temperature is observed as it drops from summer's highs and ranges from 51.8°F to 71.6°F. As daylight hours begin to shorten, September winds up the chapter on summer, slowly drifting into the charm of Fall.

Temperature

The onset of September coincides with a reduction in the average high-temperature, falling from a warm 81.9°F in August to an agreeable 71.6°F. The average temperature during September nights is registered at a cool 51.8°F.

Humidity

In September, the average relative humidity in Zap, North Dakota, is 55%.

Rainfall

In Zap, during September, the rain falls for 9.1 days and regularly aggregates up to 1.93" of precipitation. Throughout the year, in Zap, North Dakota, there are 100.8 rainfall days, and 14.88" of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Zap.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 7:06 am and sunset at 8:28 pm. On the last day of September, in Zap, sunrise is at 7:45 am and sunset at 7:30 pm CDT.

Sunshine

The average sunshine in September in Zap 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 the average person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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FAQ

What is the usual temperature for Zap in September?

September temperatures in Zap, North Dakota, vary between a high-temperature of 71.6°F and a low-temperature of 51.8°F. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 82.4°F.

What is the average humidity in September in Zap?

The average relative humidity in September is 55%.

How many days does it rain in September in Zap?

In Zap, during September, the rain falls for 9.1 days and regularly aggregates up to 1.93" of precipitation.

When it does not snow in Zap?

June through September are months without snowfall in Zap.

Does it snow in Zap in September?

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

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

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

When is the sunrise / sunset in September in Zap?

On the first day of September, sunrise is at 7:06 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:30 pm CDT.

How many hours of sunshine does Zap have in September?

In Zap, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Zap?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Zap, ND

Average temperature in September - Zap, 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
Zap, ND

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

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

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Average wind speed in September
Zap, ND

Average wind speed in September - Zap, 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
Zap, ND

Average humidity in September - Zap, 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
Zap, ND

Average rainfall in September - Zap, 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
Zap, ND

Average rainfall days in September - Zap, 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
Zap, ND

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

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

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Average snowfall days in September
Zap, ND

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

The month with the highest number of snowfall days is January (13.8 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
Zap, ND

Average daylight in September / Average sunshine in September - Zap, 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 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days in September
Zap, ND

Average sunshine days in September - Zap, 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
Zap, ND

Average UV index in September - Zap, 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
Zap, ND

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

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

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Average visibility in September
Zap, ND

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

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