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
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 76.6°F (24.8°C) in August to an agreeable 69.3°F (20.7°C). During September, the nighttime temperature in Waterboro averages of 52°F (11.1°C).Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.5" (38mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Waterboro, the average length of the day in September is 12h and 29min.On the first day of September in Waterboro, sunrise is at 6:07 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:25 pm EDT.
Sunshine
The average sunshine in September in Waterboro is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Waterboro?
What is the average humidity in September?
What is the driest month in Waterboro?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Waterboro have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Waterboro have in September?
What is the UV index intensity in September in Waterboro?
Average temperature in September
Waterboro, ME
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Waterboro, ME
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Waterboro, ME
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in September
Waterboro, ME
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Waterboro, ME
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Waterboro, ME
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Waterboro, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waterboro, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Waterboro, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Waterboro, ME
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in September
Waterboro, ME
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Waterboro, ME
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Waterboro, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Waterboro, Maine, USA
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