September weather forecastHighland, OH
September
Weather in September
September, the first month of the autumn in Highland, is still a warm month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 75.4°F (24.1°C).Temperature
Highland sees the arrival of September with an average high-temperature of a still warm 75.4°F (24.1°C), indicating a subtle variation from August. September's average low-temperature reading settles at a moderate 56.7°F (13.7°C).Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Highland is September, when the rain falls for 10.5 days and typically collects 0.94" (24mm) of precipitation.Snowfall
May through September are months without snowfall in Highland.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:03 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September in Highland is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Highland, OH
- Average high temperature in September: 75.4°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 (34.3°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Highland, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Highland, OH
- Average wind speed in September: 6.4mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Highland, OH
- Average humidity in September: 77%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Highland, OH
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Highland, OH
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Highland, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Highland, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Highland, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Highland, OH
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Highland, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Highland, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Highland, 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).





