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 arrival of September correlates with a minor temperature reduction, down from August's 82.9°F (28.3°C) to a still warm 76.5°F (24.7°C). September brings an average low-temperature of 55.4°F (13°C) to Petersburg.Humidity
In September, the average relative humidity in Petersburg is 67%.Rainfall
In September, in Petersburg, the rain falls for 9.5 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 108.8 rainfall days, and 18.98" (482mm) of precipitation is accumulated.Snowfall
In Petersburg, snow does not fall in June through September.Daylight
The average length of the day in September in Petersburg is 12h and 28min.On the first day of September, sunrise is at 6:58 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Petersburg, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the usual temperature for Petersburg in September?
What is the average humidity in September in Petersburg?
How much does it rain in Petersburg in September?
When it does not snow in Petersburg?
Does it snow in Petersburg in September?
What is the average length of the day in September in Petersburg?
When is the sunrise / sunset in September in Petersburg?
How many hours of sunshine does Petersburg have in September?
What is the UV index intensity in September in Petersburg?
Average temperature in September
Petersburg, NE
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Petersburg, NE
- Average pressure in September: 29.98"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
Petersburg, NE
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Petersburg, NE
- Average humidity in September: 67%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (63%).
Average rainfall in September
Petersburg, NE
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Petersburg, NE
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Petersburg, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Petersburg, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petersburg, 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 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Petersburg, NE
- Average sunshine days in September: 19 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in September
Petersburg, NE
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Petersburg, NE
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and September (Cloud cover 27).
Average visibility in September
Petersburg, 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).
Petersburg, Nebraska, USA
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