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 brings a minor shift in the average high-temperature, adjusting from a warm 83.5°F (28.6°C) in August to a still moderately hot 76.8°F (24.9°C). In Surprise, the expected average low-temperature for September is a mild 56.7°F (13.7°C).Humidity
In Surprise, the average relative humidity in September is 69%.Rainfall
In Surprise, during September, the rain falls for 11.5 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Surprise, Nebraska, during the entire year, the rain falls for 112.4 days and collects up to 18.62" (473mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:56 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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 in Surprise?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Surprise have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Surprise, NE
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Surprise, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Surprise, NE
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Surprise, NE
- Average humidity in September: 69%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Surprise, NE
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Surprise, NE
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Surprise, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Surprise, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Surprise, 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: 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: 5h and 6min).
Average sunshine days in September
Surprise, NE
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Surprise, 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
Surprise, NE
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Surprise, 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).
Surprise, Nebraska, USA
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