September weather forecastStockholm, ME
September
Weather in September
September, the first month of the autumn in Stockholm, is still a comfortable month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 64.9°F (18.3°C).Temperature
A subtle shift in Stockholm's weather is observed as August turns into September, with the average high temperature reducing from a warm 73.6°F (23.1°C) to a refreshing 64.9°F (18.3°C). September witnesses an average nighttime temperature of 46°F (7.8°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Stockholm, during the entire year, the rain falls for 144 days and collects up to 32.95" (837mm) of precipitation.Snowfall
In Stockholm, snow does not fall in June through September.Daylight
In Stockholm, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:30 am and sunset at 6:13 pm EDT.
Sunshine
The average sunshine in September is 7.3h.UV index
In Stockholm, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stockholm, ME
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in September
Stockholm, ME
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is September (30.02"Hg).
The months with the lowest atmospheric pressure are June and July (29.89"Hg).
Average wind speed in September
Stockholm, ME
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Stockholm, ME
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (93%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Stockholm, ME
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in September
Stockholm, ME
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Stockholm, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (15.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stockholm, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stockholm, 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 36min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in September
Stockholm, ME
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Stockholm, 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
Stockholm, ME
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in September
Stockholm, ME
- Average visibility in September: 5mi
The month with the highest visibility is May (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
