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 onset of September results in a small decrease in the average high-temperature, moderately receding from an agreeable 73°F (22.8°C) in August to an enjoyable 65.1°F (18.4°C). Rockwood records an average nighttime low of 45.9°F (7.7°C) in September.Humidity
In Rockwood, the average relative humidity in September is 80%.Rainfall
In Rockwood, during September, the rain falls for 11.4 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, in Rockwood, there are 143.8 rainfall days, and 24.41" (620mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Rockwood is 12h and 31min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:20 pm EDT.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Rockwood, Maine, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average September temperature in Rockwood?
What is the average humidity in September in Rockwood?
How many days does it rain in September in Rockwood?
When it does not snow in Rockwood?
Does it snow in Rockwood in September?
What is the average length of the day in September in Rockwood?
What time are sunrise and sunset in September in Rockwood?
How long on average sun shines in September in Rockwood?
What is the UV index intensity in September in Rockwood?
Average temperature in September
Rockwood, ME
- Average high temperature in September: 65.1°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in September: 45.9°F
The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in September
Rockwood, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Rockwood, ME
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Rockwood, ME
- Average humidity in September: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Rockwood, ME
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Rockwood, ME
- Average rainfall days in September: 11.4 days
The months with the highest number of rainy days are May and June (16.9 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Rockwood, ME
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rockwood, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rockwood, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Rockwood, ME
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Rockwood, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Rockwood, ME
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in September
Rockwood, ME
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April, August and December (4mi).
Rockwood, Maine, USA
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