September weather forecastBertrand, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bertrand, Nebraska, with an average temperature varying between 79°F (26.1°C) and 57.2°F (14°C).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a hot 86.5°F (30.3°C) in August to a warm 79°F (26.1°C). A striking departure from daytime highs to an average low-temperature of 57.2°F (14°C) is witnessed during September.Humidity
In September, the average relative humidity in Bertrand is 62%.Rainfall
In Bertrand, in September, it is raining for 10.8 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 108.2 rainfall days, and 18.82" (478mm) of precipitation is accumulated.Snowfall
In Bertrand, snow does not fall in June through September.Daylight
In Bertrand, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Bertrand, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bertrand, NE
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 57.2°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 (21.2°F).
Average pressure in September
Bertrand, NE
- Average pressure in September: 29.97"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
Bertrand, NE
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in September
Bertrand, NE
- Average humidity in September: 62%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (59%).
Average rainfall in September
Bertrand, NE
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Bertrand, NE
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Bertrand, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bertrand, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bertrand, NE
- Average daylight in September: 12h and 24min
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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Bertrand, NE
- Average sunshine days in September: 16.7 days
The months with the most sunshine days are January and November (23.8 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Bertrand, 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
Bertrand, NE
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are June, July and September (Cloud cover 24).
Average visibility in September
Bertrand, 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).





