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 start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.4°F (20.8°C). Bolivar experiences a nighttime temperature average of 49.1°F (9.5°C) during September.Humidity
The average relative humidity in September in Bolivar is 81%.Rainfall
January, March and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 1.22" (31mm) of rain.Snowfall
In Bolivar, snow does not fall in June through September.Daylight
In Bolivar, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm EDT.
Sunshine
In Bolivar, New York, the average sunshine in September is 8h.UV index
In Bolivar, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Bolivar in September?
What is the average humidity in September in Bolivar?
What is the driest month in Bolivar?
How much does it rain in Bolivar in September?
When it does not snow in Bolivar?
Does it snow in Bolivar in September?
How many hours of daylight does Bolivar have in September?
When are sunrise and sunset in September in Bolivar?
How long on average sun shines in September in Bolivar?
What is the UV index intensity in September in Bolivar?
Average temperature in September
Bolivar, NY
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Bolivar, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Bolivar, NY
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Bolivar, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Bolivar, NY
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is April (2.05").
The driest months (with the least rainfall) are January, March and September (1.22").
Average rainfall days in September
Bolivar, NY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Bolivar, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bolivar, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bolivar, NY
- 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in September
Bolivar, NY
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Bolivar, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Bolivar, NY
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Bolivar, NY
- Average visibility in September: 4mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are January, August and September (4mi).
Bolivar, New York, USA
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