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 beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 76.8°F (24.9°C) in August to a pleasant 68.9°F (20.5°C). In Howland, the average low-temperature during the month of September is a chilly 48.9°F (9.4°C).Humidity
The average relative humidity in September is 78%.Rainfall
The months with the least rainfall are March, July and September Rain falls for 7.7 days and accumulates 0.75" (19mm) of rain.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:32 am and sunset at 6:16 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In Howland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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 temperature in September?
What is the average humidity in September in Howland?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Howland have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Howland, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in September
Howland, ME
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Howland, ME
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Howland, ME
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Howland, ME
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are March, July and September (0.75").
Average rainfall days in September
Howland, ME
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Howland, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howland, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howland, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Howland, ME
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Howland, ME
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Howland, ME
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Howland, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Howland, Maine, USA
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