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
Bellevue records an average high-temperature of an agreeable 72.1°F (22.3°C) as September arrives, nearly mirroring the previous month's climate. In Bellevue, September nights cool down to an average of 58.3°F (14.6°C).Humidity
The average relative humidity in September in Bellevue is 78%.Rainfall
In September, the rain falls for 14.9 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. In Bellevue, during the entire year, the rain falls for 176.1 days and collects up to 31.46" (799mm) of precipitation.Snowfall
June through September are months without snowfall in Bellevue.Daylight
The average length of the day in September in Bellevue is 12h and 28min.On the first day of September in Bellevue, sunrise is at 6:58 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In Bellevue, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bellevue in September?
What is the average humidity in September in Bellevue?
How many days does it rain in September in Bellevue?
When it does not snow in Bellevue?
Does it snow in Bellevue in September?
How many hours of daylight does Bellevue have in September?
When are sunrise and sunset in September in Bellevue?
How many hours of sunshine does Bellevue have in September?
What is the UV index reading in September in Bellevue?
Average temperature in September
Bellevue, OH
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 58.3°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 (20.5°F).
Average pressure in September
Bellevue, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Bellevue, OH
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Bellevue, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Bellevue, OH
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in September
Bellevue, OH
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Bellevue, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bellevue, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bellevue, OH
- 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 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Bellevue, OH
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Bellevue, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Bellevue, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Bellevue, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Bellevue, Ohio, USA
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