September weather forecastBlaine, ME
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Blaine, Maine, with an average temperature fluctuating between 46°F (7.8°C) and 65.3°F (18.5°C).Temperature
September brings a slight decrease in temperature, down from a warm 73.9°F (23.3°C) in August to a comfortable 65.3°F (18.5°C). Blaine records an average temperature drop to a frosty 46°F (7.8°C) in September.Humidity
The average relative humidity in September is 80%.Rainfall
In Blaine, during September, the rain falls for 13.7 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Blaine, during the entire year, the rain falls for 144.3 days and collects up to 32.13" (816mm) of precipitation.Snowfall
June through September are months without snowfall in Blaine.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 5:52 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 6:12 pm EDT.
Sunshine
In Blaine, the average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blaine, ME
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Blaine, ME
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is September (30.02"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Blaine, ME
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Blaine, ME
- Average humidity in September: 80%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Blaine, ME
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in September
Blaine, ME
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Blaine, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Blaine, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blaine, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 18min
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 6min).
Average sunshine days in September
Blaine, ME
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Blaine, 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
Blaine, ME
- Average cloud cover in September: 45
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
Blaine, ME
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
