September weather forecast and climate
Zap, ND

Weather in September

September, the first month of the autumn, in Zap, is still a pleasant month, with average temperature ranging between max 71.6°F (22°C) and min 51.8°F (11°C).

Temperature

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

Humidity

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

Rainfall

In September, the rain falls for 9.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Zap, there are 100.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.

Snowfall

In Zap snow does not fall in June through September.

Daylight

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

Sunshine

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

UV index

In Zap, North Dakota, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Zap?

In September, in Zap, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 51.8°F (11°C).

What is the average humidity in September in Zap?

The average relative humidity in September is 55%.

How much does it rain in Zap in September?

In September, in Zap, North Dakota, the rain falls for 9.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

Does it snow in Zap in September?

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

When it does not snow in Zap?

June through September are months without snowfall in Zap.

How many hours of daylight does Zap have in September?

In Zap, the average length of the day in September is 12.5h.

How long on average sun shines in September in Zap?

The average sunshine in September is 8.6h.

How high is the UV index in September in Zap?

In Zap, North Dakota, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

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"

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
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").
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).
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: 12.5h

The month with the longest days is June (Average daylight: 15.9h).
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
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).
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

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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