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
As August transitions into September, Perella sees a drop in the average high-temperature, transitioning from a moderately hot 80.1°F (26.7°C) to a pleasant 69.3°F (20.7°C). The month of September records an average low-temperature of 50.7°F (10.4°C).Humidity
In Perella, North Dakota, the average relative humidity in September is 54%.Rainfall
In Perella, during September, the rain falls for 8.5 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Perella, during the entire year, the rain falls for 85.6 days and collects up to 11.89" (302mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Perella, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:30 pm. On the last day of September, sunrise is at 7:48 am and sunset at 7:29 pm CDT.
Sunshine
In Perella, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Perella?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Perella, ND
- Average high temperature in September: 69.3°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is February (17.2°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).
Average pressure in September
Perella, 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
Perella, ND
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Perella, ND
- Average humidity in September: 54%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Perella, ND
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in September
Perella, ND
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Perella, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Perella, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Perella, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Perella, ND
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in September
Perella, 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 and December (UV index 1).
Average cloud cover in September
Perella, ND
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in September
Perella, 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).
Perella, North Dakota, USA
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