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
With the commencement of September, Hartman records a moderate temperature decline, with the average high easing from August's tropical 86.5°F (30.3°C) to a warm 78.4°F (25.8°C). During the nights in September, Hartman records a pronounced shift from the daytime warmth, with a consistent average temperature of 53.4°F (11.9°C).Humidity
The months with the lowest humidity in Hartman are August and September, with an average relative humidity of 46%.Rainfall
In Hartman, in September, it is raining for 7.9 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Hartman, there are 104.8 rainfall days, and 13.35" (339mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Hartman. 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 snowfall days, and 17.17" (436mm) of snow is accumulated.Daylight
In Hartman, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm MDT.
Sunshine
In Hartman, the average sunshine in September is 10.6h.UV index
In Hartman, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September in Hartman?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Hartman, NE
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in September
Hartman, NE
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Hartman, NE
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Hartman, NE
- Average humidity in September: 46%
The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are August and September (46%).
Average rainfall in September
Hartman, NE
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Hartman, NE
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Hartman, NE
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Hartman, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hartman, 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 4min
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 18min).
Average sunshine days in September
Hartman, NE
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Hartman, 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
Hartman, NE
- Average cloud cover in September: 17
The months with the most cloud cover are February and April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Hartman, 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).
Hartman, Nebraska, USA
Weather forecast for your location
2. Allow the app to use your location