September weather forecastSalem, NE
September
Weather in September
September, the first month of the autumn in Salem, is still a warm month, with an average temperature fluctuating between 58.3°F (14.6°C) and 78.3°F (25.7°C).Temperature
September marks a gentle change in average high-temperature, declining from August's 84.2°F (29°C) to a still warm 78.3°F (25.7°C). In Salem, an average nighttime temperature of 58.3°F (14.6°C) is expected during September.Humidity
The average relative humidity in September is 72%.Rainfall
In Salem, in September, it is raining for 11.7 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 120.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
In Salem, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:06 pm CDT.
Sunshine
In Salem, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Salem, NE
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Salem, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Salem, NE
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Salem, NE
- Average humidity in September: 72%
The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Salem, NE
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Salem, NE
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Salem, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Salem, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Salem, 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 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Salem, NE
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Salem, NE
- Average UV index in September: 5
The months with the highest UV index are May, 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
Salem, NE
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Salem, 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).
