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
Ralston in September experiences a gentle temperature dip, with average high-temperatures reducing from 82.8°F (28.2°C) in August to a still moderately hot 76.8°F (24.9°C). During September, the average low-temperature is a moderate 57.4°F (14.1°C).Humidity
The average relative humidity in September is 72%.Rainfall
In Ralston, in September, it is raining for 11 days, with typically 1.93" (49mm) of accumulated precipitation. In Ralston, during the entire year, the rain falls for 116 days and collects up to 20.79" (528mm) of precipitation.Snowfall
In Ralston, snow does not fall in June through September.Daylight
In Ralston, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:07 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ralston in September?
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?
How many hours of daylight does Ralston have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Ralston have in September?
How high is the UV index in September in Ralston?
Average temperature in September
Ralston, NE
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Ralston, 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
Ralston, NE
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Ralston, NE
- Average humidity in September: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Ralston, NE
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Ralston, NE
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Ralston, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ralston, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ralston, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Ralston, NE
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Ralston, 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, October, November and December (UV index 2).
Average cloud cover in September
Ralston, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Ralston, 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).
Ralston, Nebraska, USA
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