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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 85.6°F (29.8°C) to a still warm 78.4°F (25.8°C). The temperature dips to an average of 57.2°F (14°C) during September nights.Humidity
In Blue Hill, the average relative humidity in September is 65%.Rainfall
In Blue Hill, Nebraska, in September, it is raining for 12.5 days, with typically 1.5" (38mm) of accumulated precipitation. In Blue Hill, during the entire year, the rain falls for 123 days and collects up to 21.89" (556mm) of precipitation.Snowfall
In Blue Hill, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:02 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:17 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Blue Hill is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Blue Hill in September?
What is the average humidity in September?
How much 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 in Blue Hill?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Blue Hill, NE
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Blue Hill, NE
- Average pressure in September: 29.98"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
Blue Hill, NE
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Blue Hill, NE
- Average humidity in September: 65%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Blue Hill, NE
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Blue Hill, NE
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in September
Blue Hill, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Blue Hill, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blue Hill, NE
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Blue Hill, NE
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Blue Hill, 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
Blue Hill, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Blue Hill, 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).
Blue Hill, Nebraska, USA
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