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
In East Hiram, the average high-temperature in September slightly decreases from a moderately hot 77.5°F (25.3°C) in August to an agreeable 70.3°F (21.3°C). East Hiram records an average temperature drop to a chilly 49.5°F (9.7°C) in September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 1.34" (34mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:25 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month in East Hiram?
How many days does it rain in September?
When it does not snow?
Does it snow in East Hiram in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
East Hiram, ME
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
East Hiram, 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
East Hiram, ME
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
East Hiram, ME
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May and November (77%).
Average rainfall in September
East Hiram, ME
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
East Hiram, ME
- Average rainfall days in September: 10.5 days
The months with the highest number of rainy days are April and July (14.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
East Hiram, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Hiram, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Hiram, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
East Hiram, ME
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in September
East Hiram, ME
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
East Hiram, ME
- Average cloud cover in September: 36
The months with the most cloud cover are March and April (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
East Hiram, 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).
East Hiram, Maine, USA
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