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
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 80.2°F (26.8°C) in August to a still warm 73.8°F (23.2°C). Throughout the nights in September, an average low-temperature of 56.5°F (13.6°C) is noted.Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.1 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Boston Heights, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Boston Heights, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Boston Heights, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Boston Heights, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Boston Heights, OH
- Average humidity in September: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Boston Heights, OH
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Boston Heights, OH
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Boston Heights, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Boston Heights, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Boston Heights, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Boston Heights, OH
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Boston Heights, OH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Boston Heights, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Boston Heights, OH
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Boston Heights, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location