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
The transition to September results in a modest reduction in average high-temperature, moving from a hot 86.7°F (30.4°C) in August to a moderately hot 79.3°F (26.3°C). Superior's temperature lowers to a mean of 58.6°F (14.8°C) during the nights in September.Humidity
In September, the average relative humidity is 65%.Rainfall
In Superior, during September, the rain falls for 10.9 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Superior, during the entire year, the rain falls for 110.2 days and collects up to 21.42" (544mm) of precipitation.Snowfall
In Superior, snow does not fall in June through September.Daylight
In Superior, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:00 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:15 pm CDT.
Sunshine
In Superior, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Superior 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 Superior have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Superior have in September?
What is the UV index reading in September?
Average temperature in September
Superior, NE
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Superior, 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
Superior, NE
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.7mph).
Average humidity in September
Superior, NE
- Average humidity in September: 65%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Superior, NE
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Superior, NE
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in September
Superior, 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
Superior, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Superior, 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 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Superior, NE
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are January and November (23.2 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Superior, NE
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Superior, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Superior, 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).
Superior, Nebraska, USA
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