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
September brings a slight decrease in temperature, down from a moderately hot 84.6°F (29.2°C) in August to a still warm 75.7°F (24.3°C). In Mullen, the expected average low-temperature for September is a moderate 55.8°F (13.2°C).Humidity
With an average relative humidity of 56%, September is the least humid month.Rainfall
In Mullen, in September, it is raining for 10.2 days, with typically 1.14" (29mm) of accumulated precipitation. In Mullen, Nebraska, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Mullen, Nebraska, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:26 pm MDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mullen in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Mullen have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Mullen have in September?
What is the UV index intensity in September?
Average temperature in September
Mullen, NE
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Mullen, NE
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Mullen, NE
- Average wind speed in September: 11.7mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity in September
Mullen, NE
- Average humidity in September: 56%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall in September
Mullen, NE
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Mullen, NE
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Mullen, NE
- Average snowfall in September: 0.2"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Mullen, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mullen, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Mullen, NE
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
Mullen, NE
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mullen, NE
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility in September
Mullen, NE
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mullen, Nebraska, USA
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