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 heralds a minor drop in average high-temperature, sliding from August's warm 85.6°F (29.8°C) to a still moderately hot 78.8°F (26°C). An average low-temperature of 57.4°F (14.1°C) is noted during the month of September.Humidity
In September, the average relative humidity in Heartwell is 64%.Rainfall
In Heartwell, in September, it is raining for 10.1 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 105.4 rainfall days, and 18.7" (475mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Heartwell, Nebraska.Daylight
In Heartwell, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:18 pm CDT.
Sunshine
In September, the average sunshine in Heartwell is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Heartwell?
What is the average humidity in September in Heartwell?
How much does it rain in Heartwell in September?
When it does not snow in Heartwell?
Does it snow in Heartwell in September?
How many hours of daylight does Heartwell have in September?
What time are sunrise and sunset in September in Heartwell?
How long on average sun shines in September in Heartwell?
How high is the UV index in September in Heartwell?
Average temperature in September
Heartwell, NE
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 57.4°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 (20.5°F).
Average pressure in September
Heartwell, 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
Heartwell, NE
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in September
Heartwell, NE
- Average humidity in September: 64%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (60%).
Average rainfall in September
Heartwell, NE
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Heartwell, NE
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
Heartwell, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Heartwell, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heartwell, 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 18min).
- Average sunshine in September: 8h and 4min
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 36min).
Average sunshine days in September
Heartwell, NE
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in September
Heartwell, 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
Heartwell, NE
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Heartwell, 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).
Heartwell, Nebraska, USA
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