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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from 82°F (27.8°C) in August to a still moderately hot 76.3°F (24.6°C). Brownsville temperatures generally rest at a low of 56.1°F (13.4°C) during the September nights.Humidity
In Brownsville, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.09" (53mm) of precipitation.Snowfall
In Brownsville, snow does not fall in May through September.Daylight
In Brownsville, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:00 pm. On the last day of September, in Brownsville, sunrise is at 7:25 am and sunset at 7:12 pm EDT.
Sunshine
In Brownsville, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Around midday, solar radiation is most harmful; hence, exposure should be limited. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the 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 in Brownsville?
How many days does it rain in September?
When it does not snow in Brownsville?
Does it snow in September?
How many hours of daylight does Brownsville have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Brownsville, OH
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 56.1°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 (21.6°F).
Average pressure in September
Brownsville, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Brownsville, OH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Brownsville, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are March, April and November (77%).
Average rainfall in September
Brownsville, OH
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Brownsville, OH
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and February (9.8 days).
Average snowfall in September
Brownsville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Brownsville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brownsville, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- 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: 3h and 30min).
Average sunshine days in September
Brownsville, OH
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Brownsville, OH
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Brownsville, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Brownsville, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Brownsville, Ohio, USA
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