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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 84.2°F (29°C) to a still moderately hot 77°F (25°C). A noteworthy temperature dip to a mild 55.4°F (13°C) is observed during the nights of September in Greeley.Humidity
In Greeley, the average relative humidity in September is 64%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Greeley, Nebraska, during the entire year, the rain falls for 126 days and collects up to 20.71" (526mm) of precipitation.Snowfall
June through September are months without snowfall in Greeley.Daylight
In Greeley, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:17 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the average September temperature in Greeley?
What is the average humidity in September in Greeley?
How many days does it rain in September in Greeley?
When it does not snow in Greeley?
Does it snow in Greeley in September?
What is the average length of the day in September in Greeley?
When are sunrise and sunset in September in Greeley?
How long on average sun shines in September in Greeley?
How high is the UV index in September in Greeley?
Average temperature in September
Greeley, NE
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Greeley, NE
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Greeley, NE
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in September
Greeley, NE
- Average humidity in September: 64%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Greeley, NE
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Greeley, NE
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Greeley, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greeley, NE
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greeley, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Greeley, NE
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Greeley, 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
Greeley, NE
- Average cloud cover in September: 25
The months with the most cloud cover are January and February (Cloud cover 43).
The months with the least cloud cover are July and September (Cloud cover 25).
Average visibility in September
Greeley, 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).
Greeley, Nebraska, USA
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