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 comes with a reduction in the average high-temperature, receding from a warm 79.5°F (26.4°C) in August to an agreeable 69.1°F (20.6°C). During September, the nighttime temperature averages of 50.2°F (10.1°C).Humidity
In Webster, the average relative humidity in September is 61%.Rainfall
In Webster, North Dakota, during September, the rain falls for 8.9 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 95.3 rainfall days, and 14.41" (366mm) of precipitation is accumulated.Snowfall
In Webster, snow does not fall in June through September.Daylight
The average length of the day in September in Webster is 12h and 34min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:16 pm. On the last day of September, in Webster, North Dakota, sunrise is at 7:34 am and sunset at 7:15 pm CDT.
Sunshine
In Webster, North Dakota, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Webster is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Webster in September?
What is the average humidity in September in Webster?
How many days does it rain in September in Webster?
When it does not snow in Webster?
Does it snow in Webster in September?
What is the average length of the day in September in Webster?
What time are sunrise and sunset in September in Webster?
How many hours of sunshine does Webster have in September?
What is the UV index intensity in September in Webster?
Average temperature in September
Webster, ND
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in September
Webster, ND
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Webster, ND
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Webster, ND
- Average humidity in September: 61%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Webster, ND
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in September
Webster, ND
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).
Average snowfall in September
Webster, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Webster, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Webster, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Webster, ND
- Average sunshine days in September: 19.8 days
The months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Webster, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Webster, ND
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Webster, 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).
Webster, North Dakota, USA
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