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
With the arrival of September, Merna notices a mild change in the average high-temperature, sliding from August's 84.6°F (29.2°C) to a still moderately hot 77.2°F (25.1°C). Throughout September nights, Merna reports a steady thermal contrast from the day, with an average low-temperature of 55.2°F (12.9°C).Humidity
In Merna, the average relative humidity in September is 62%.Rainfall
In September, in Merna, the rain falls for 8.4 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Merna, there are 93.8 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:11 pm. On the last day of September, in Merna, sunrise is at 7:35 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Merna, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are September temperatures in Merna?
What is the average humidity in September in Merna?
How many days does it rain in September in Merna?
When it does not snow in Merna?
Does it snow in Merna in September?
What is the average length of the day in September in Merna?
When are sunrise and sunset in September in Merna?
How many hours of sunshine does Merna have in September?
What is the UV index reading in September in Merna?
Average temperature in September
Merna, NE
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Merna, NE
- Average pressure in September: 29.97"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
Merna, NE
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in September
Merna, NE
- Average humidity in September: 62%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (60%).
Average rainfall in September
Merna, NE
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Merna, NE
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is December (3.7 days).
Average snowfall in September
Merna, NE
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Merna, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Merna, 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 12min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Merna, NE
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is April (14.6 days).
Average UV index in September
Merna, 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
Merna, NE
- Average cloud cover in September: 23
The months with the most cloud cover are January and February (Cloud cover 41).
The months with the least cloud cover are July and September (Cloud cover 23).
Average visibility in September
Merna, 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).
Merna, Nebraska, USA
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