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 average high-temperature shows a slight dip in September, from August's moderately hot 82°F (27.8°C) to a still warm 76.1°F (24.5°C). Nighttime temperature dips to a mean of 55°F (12.8°C) during September.Humidity
In September, the average relative humidity in Martinsburg is 70%.Rainfall
In September, the rain falls for 11.8 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 122 rainfall days, and 21.61" (549mm) of precipitation is accumulated.Snowfall
In Martinsburg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:09 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index in Martinsburg is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are the temperatures in Martinsburg in September?
What is the average humidity in September in Martinsburg?
How many days does it rain in September in Martinsburg?
When it does not snow in Martinsburg?
Does it snow in Martinsburg in September?
What is the average length of the day in September in Martinsburg?
What time are sunrise and sunset in September in Martinsburg?
How long on average sun shines in September in Martinsburg?
How high is the UV index in September in Martinsburg?
Average temperature in September
Martinsburg, NE
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in September
Martinsburg, 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 (29.86"Hg).
Average wind speed in September
Martinsburg, NE
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Martinsburg, NE
- Average humidity in September: 70%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Martinsburg, NE
- Average rainfall in September: 1.93"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Martinsburg, NE
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Martinsburg, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Martinsburg, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Martinsburg, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- 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: 4h and 24min).
Average sunshine days in September
Martinsburg, NE
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Martinsburg, NE
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Martinsburg, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Martinsburg, 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).
Martinsburg, Nebraska, USA
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