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
A moderate decline in average high-temperatures is noted in September, moving from 84°F (28.9°C) in August to a still warm 77.9°F (25.5°C). Johnson reports an average nighttime low-temperature of 58.1°F (14.5°C) in September.Humidity
In Johnson, the average relative humidity in September is 72%.Rainfall
In Johnson, in September, it is raining for 8.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Johnson, Nebraska, during the entire year, the rain falls for 92 days and collects up to 8.78" (223mm) of precipitation.Snowfall
In Johnson, Nebraska, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:55 pm. On the last day of September, in Johnson, Nebraska, sunrise is at 7:20 am and sunset at 7:07 pm CDT.
Sunshine
In Johnson, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Johnson is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in Johnson?
What is the average humidity in September in Johnson?
How many days does it rain in September in Johnson?
When it does not snow in Johnson?
Does it snow in Johnson in September?
What is the average length of the day in September in Johnson?
When is the sunrise / sunset in September in Johnson?
How many hours of sunshine does Johnson have in September?
How high is the UV index in September in Johnson?
Average temperature in September
Johnson, NE
- Average high temperature in September: 77.9°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 (32.9°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Johnson, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Johnson, NE
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Johnson, NE
- Average humidity in September: 72%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Johnson, NE
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is June (1.46").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in September
Johnson, NE
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in September
Johnson, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Johnson, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Johnson, 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: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Johnson, NE
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in September
Johnson, 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
Johnson, NE
- Average cloud cover in September: 27
The months with the most cloud cover are January and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Johnson, 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).
Johnson, Nebraska, USA
Weather forecast for your location
2. Allow the app to use your location
