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
In September, Swanton's weather conditions record an average high-temperature of a still moderately hot 73.8°F (23.2°C), demonstrating little divergence from the preceding month. Swanton encounters a steady low-temperature average of 55.9°F (13.3°C) throughout the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Swanton, during the entire year, the rain falls for 142 days and collects up to 19.45" (494mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Swanton, sunrise is at 7:02 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:18 pm EDT.
Sunshine
In Swanton, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time 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
Swanton, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Swanton, 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
Swanton, OH
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in September
Swanton, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Swanton, OH
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is April (2.28").
The driest months (with the least rainfall) are February and December (0.98").
Average rainfall days in September
Swanton, OH
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in September
Swanton, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Swanton, OH
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Swanton, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Swanton, OH
- Average sunshine days in September: 14.8 days
The months with the most sunshine days are January, October and November (17.6 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Swanton, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Swanton, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Swanton, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Swanton, Ohio, USA
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