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 entails a subtle temperature shift, as the average high-temperature eases from 85.5°F (29.7°C) in August to a still moderately hot 77.5°F (25.3°C). A striking departure from daytime highs to an average low-temperature of 54.1°F (12.3°C) is witnessed during September.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 47%.Rainfall
In Heldt, Nebraska, during September, the rain falls for 8.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 110.2 rainfall days, and 14.8" (376mm) of precipitation is accumulated.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 0.08" (2mm) of snow. Throughout the year, there are 39.7 snowfall days, and 17.36" (441mm) of snow is accumulated.Daylight
The average length of the day in September in Heldt is 12h and 28min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:37 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In Heldt, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What are the least humid months?
What is the average humidity in September?
How much does it rain in Heldt in September?
When does it start to snow?
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
Heldt, NE
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in September
Heldt, NE
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Heldt, NE
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Heldt, NE
- Average humidity in September: 47%
The month with the highest relative humidity is January (69%).
The months with the lowest relative humidity are August and September (47%).
Average rainfall in September
Heldt, NE
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Heldt, NE
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Heldt, NE
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Heldt, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Heldt, 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: 10h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Heldt, NE
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Heldt, NE
- Average UV index in September: 4
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
Heldt, NE
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Heldt, 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).
Heldt, Nebraska, USA
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