Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September in Watford City, North Dakota, comes with a reduction in the average high-temperature, receding from a warm 81.9°F (27.7°C) in August to an agreeable 71.2°F (21.8°C). An average low-temperature of 52.2°F (11.2°C) is observed during the September nights.Humidity
The average relative humidity in September in Watford City is 51%.Rainfall
In September, in Watford City, the rain falls for 8.1 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 91.6 rainfall days, and 12.64" (321mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Watford City is 12h and 33min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:33 pm. On the last day of September, in Watford City, sunrise is at 6:51 am and sunset at 6:33 pm MDT.
Sunshine
In September, the average sunshine in Watford City is 8.7h.UV index
In Watford City, North Dakota, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the usual temperature for Watford City in September?
What is the average humidity in September in Watford City?
How many days does it rain in September in Watford City?
When it does not snow in Watford City?
Does it snow in Watford City in September?
How many hours of daylight does Watford City have in September?
What time are sunrise and sunset in September in Watford City?
How many hours of sunshine does Watford City have in September?
What is the UV index reading in September in Watford City?
Average temperature in September
Watford City, ND
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Watford City, ND
- Average pressure in September: 29.93"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
Watford City, ND
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Watford City, ND
- Average humidity in September: 51%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Watford City, ND
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in September
Watford City, ND
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is June (12.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Watford City, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Watford City, ND
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Watford City, ND
- Average daylight in September: 12h and 4min
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 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Watford City, ND
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in September
Watford City, ND
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Watford City, 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 19).
Average visibility in September
Watford City, ND
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Watford City, North Dakota, USA
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