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 reveals a small adjustment in temperature, transitioning from an average high of a warm 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Throughout the month of September, Foster observes an average nighttime temperature of 55°F (12.8°C).Humidity
In Foster, the average relative humidity in September is 68%.Rainfall
In Foster, during September, the rain falls for 10.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Foster, during the entire year, the rain falls for 115.7 days and collects up to 19.61" (498mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Foster, the average length of the day in September is 12h and 28min.On the first day of September in Foster, sunrise is at 6:56 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:13 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days 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?
When is the sunrise / sunset in September?
How many hours of sunshine does Foster have in September?
What is the UV index reading in September?
Average temperature in September
Foster, NE
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Foster, 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
Foster, NE
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Foster, NE
- Average humidity in September: 68%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Foster, NE
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are February and November (0.59").
Average rainfall days in September
Foster, NE
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in September
Foster, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Foster, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Foster, 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 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Foster, NE
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Foster, 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
Foster, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Foster, 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).
Foster, Nebraska, USA
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