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
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.1°F (21.7°C). During September, Hathorne's temperature averages to a moderate 57.7°F (14.3°C) at night.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 1.3" (33mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:26 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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?
What is the driest month in Hathorne?
How many days does it rain in September?
When it does not snow?
Does it snow in Hathorne in September?
How many hours of daylight does Hathorne have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Hathorne, MA
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Hathorne, MA
- 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 (29.92"Hg).
Average wind speed in September
Hathorne, MA
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Hathorne, MA
- Average humidity in September: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Hathorne, MA
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Hathorne, MA
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Hathorne, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hathorne, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hathorne, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Hathorne, MA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The months with the least sunshine days are February and April (13.1 days).
Average UV index in September
Hathorne, MA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Hathorne, MA
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hathorne, MA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hathorne, Massachusetts, USA
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