September weather forecastMartell, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Martell, Nebraska, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 57.7°F (14.3°C).Temperature
Martell's progression into September involves a minor drop in the average high-temperature, slightly receding from 84.2°F (29°C) in August to a still warm 77.7°F (25.4°C). Martell reports an average low-temperature of 57.7°F (14.3°C) during the nights of September.Humidity
The average relative humidity in September is 69%.Rainfall
In Martell, in September, during 11.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 114.6 rainfall days, and 19.45" (494mm) of precipitation is accumulated.Snowfall
In Martell, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:10 pm CDT.
Sunshine
The average sunshine in September in Martell is 8.7h.UV index
In Martell, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Martell, NE
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Martell, 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
Martell, NE
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Martell, NE
- Average humidity in September: 69%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Martell, NE
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Martell, NE
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in September
Martell, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Martell, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Martell, 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 42min
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 12min).
Average sunshine days in September
Martell, NE
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Martell, 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
Martell, NE
- Average cloud cover in September: 28
The months with the most cloud cover are January and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Martell, 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).
