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 onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Howells reports an average nighttime low-temperature of 55.8°F (13.2°C) in September.Humidity
The average relative humidity in September is 71%.Rainfall
In Howells, in September, it is raining for 12.1 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 120.1 rainfall days, and 20.67" (525mm) of precipitation is accumulated.Snowfall
In Howells, snow does not fall in June through September.Daylight
In Howells, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
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 are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Howells, NE
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Howells, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Howells, NE
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Howells, NE
- Average humidity in September: 71%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Howells, NE
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Howells, NE
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Howells, NE
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howells, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howells, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Howells, NE
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Howells, 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
Howells, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Howells, 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).
Howells, Nebraska, USA
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