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
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 79.3°F (26.3°C) in August to an agreeable 73.2°F (22.9°C). An average low-temperature of 56.7°F (13.7°C) is recorded during the nights in September in Northfield, Ohio.Humidity
In Northfield, the average relative humidity in September is 77%.Rainfall
In Northfield, Ohio, during September, the rain falls for 15.2 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 172.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
In Northfield, snow does not fall in June through September.Daylight
The average length of the day in September in Northfield is 12h and 28min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of September, 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 September, the average daily maximum UV index in Northfield is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Northfield?
What is the average humidity in September in Northfield?
How much does it rain in Northfield in September?
When it does not snow in Northfield?
Does it snow in Northfield in September?
How many hours of daylight does Northfield have in September?
When is the sunrise / sunset in September in Northfield?
How many hours of sunshine does Northfield have in September?
What is the UV index reading in September in Northfield?
Average temperature in September
Northfield, OH
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Northfield, 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
Northfield, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Northfield, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Northfield, OH
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in September
Northfield, OH
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Northfield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Northfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Northfield, 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 12min).
- 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
Northfield, OH
- Average sunshine days in September: 13 days
The months with the most sunshine days are July and September (13 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Northfield, 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
Northfield, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Northfield, 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).
Northfield, Ohio, USA
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