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 sees a slight reduction in average high-temperature, with a shift from a moderately hot 76.6°F (24.8°C) in August to a pleasant 69.4°F (20.8°C). During September, the average low-temperature is recorded at a frosty 48.6°F (9.2°C).Humidity
The average relative humidity in September in Chisholm is 79%.Rainfall
In Chisholm, during September, the rain falls for 10.4 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Chisholm, Maine, during the entire year, the rain falls for 139.5 days and collects up to 28.78" (731mm) of precipitation.Snowfall
June through September are months without snowfall in Chisholm.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of September, in Chisholm, sunrise is at 6:38 am and sunset at 6:22 pm EDT.
Sunshine
The average sunshine in September in Chisholm is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the usual temperature for Chisholm in September?
What is the average humidity in September in Chisholm?
How much does it rain in Chisholm in September?
When it does not snow in Chisholm?
Does it snow in Chisholm in September?
What is the average length of the day in September in Chisholm?
When are sunrise and sunset in September in Chisholm?
How many hours of sunshine does Chisholm have in September?
How high is the UV index in September in Chisholm?
Average temperature in September
Chisholm, ME
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Chisholm, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Chisholm, ME
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Chisholm, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Chisholm, ME
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in September
Chisholm, ME
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in September
Chisholm, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chisholm, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chisholm, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Chisholm, ME
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (12.1 days).
Average UV index in September
Chisholm, ME
- Average UV index in September: 3
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
Chisholm, ME
- Average cloud cover in September: 38
The months with the most cloud cover are February and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Chisholm, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).
Chisholm, Maine, USA
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