September weather forecastZap, ND
September
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 (11°C) to 71.6°F (22°C). As daylight hours begin to shorten, September winds up the chapter on summer, slowly drifting into the charm of Fall.Temperature
Welcoming September, Zap observes a shift in the average high-temperature, falling from August's warm 81.9°F (27.7°C) to an agreeable 71.6°F (22°C). The nighttime temperature in Zap, during September, averages of 51.8°F (11°C).Humidity
In Zap, the average relative humidity in September is 55%.Rainfall
In Zap, during September, the rain falls for 9.1 days and regularly aggregates up to 1.93" (49mm) of precipitation. 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
The average length of the day in September in Zap, North Dakota, is 12h and 32min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:27 pm. On the last day of September, in Zap, sunrise is at 7:46 am and sunset at 7:28 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Zap is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Zap, ND
- Average daylight in September: 12h and 30min
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 36min
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).
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).
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).
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).
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).
