September weather forecastBerastagi, Indonesia
September
Weather in September
The first month of the autumn, September, is still a warm month in Berastagi, Indonesia, with an average temperature fluctuating between 17.8°C (64°F) and 25.4°C (77.7°F).Temperature
Upon the onset of September, Berastagi witnesses an average high-temperature of a still warm 25.4°C (77.7°F), showing a close resemblance to the prior month. Berastagi's average low-temperature in the month of September is recorded at a refreshing 17.8°C (64°F).Humidity
The average relative humidity in September is 86%.Rainfall
In September, the rain falls for 28.4 days. Throughout September, 243mm (9.57") of precipitation is accumulated. Throughout the year, there are 343.1 rainfall days, and 4186mm (164.8") of precipitation is accumulated.Snowfall
September is the only month when snow falls. September is the month with the most snowfall. Snow falls for 0.1 days and accumulates 1mm (0.04") of snow.Daylight
In Berastagi, the average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 06:20 and sunset at 18:31. On the last day of September, sunrise is at 06:13 and sunset at 18:18 WIB.
Sunshine
In Berastagi, the average sunshine in September is 6.1h.UV index
The months with the lowest UV index are January through May, August through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Berastagi, Indonesia
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is June (26.3°C).
The month with the lowest average high temperature is December (23.3°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is April (18.4°C).
The coldest month (with the lowest average low temperature) is July (17.3°C).
Average pressure in September
Berastagi, Indonesia
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is January (1011mbar).
The month with the lowest atmospheric pressure is May (1009.8mbar).
Average wind speed in September
Berastagi, Indonesia
- Average wind speed in September: 4.2km/h
The windiest months (with the highest average wind speed) are June and July (4.9km/h).
The calmest month (with the lowest average wind speed) is April (3.6km/h).
Average humidity in September
Berastagi, Indonesia
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (92%).
The months with the lowest relative humidity are June and July (84%).
Average rainfall in September
Berastagi, Indonesia
- Average rainfall in September: 243mm
The wettest month (with the highest rainfall) is November (493mm).
The driest month (with the least rainfall) is July (205mm).
Average rainfall days in September
Berastagi, Indonesia
- Average rainfall days in September: 28.4 days
The month with the highest number of rainy days is December (30.6 days).
The month with the least rainy days is June (24.2 days).
Average snowfall in September
Berastagi, Indonesia
- Average snowfall in September: 1mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Berastagi, Indonesia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Berastagi, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 6h and 6min
The months with the most sunshine are June and July (Average sunshine: 7h and 6min).
The months with the least sunshine are November and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Berastagi, Indonesia
- Average sunshine days in September: 1.3 days
The month with the most sunshine days is July (4.5 days).
The months with the least sunshine days are April and November (0 days).
Average UV index in September
Berastagi, Indonesia
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
Average cloud cover in September
Berastagi, Indonesia
- Average cloud cover in September: 62
The months with the most cloud cover are November and December (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 53).
Average visibility in September
Berastagi, Indonesia
- Average visibility in September: 7km
The months with the highest visibility are March, June, July, August and September (7km).
The months with the lowest visibility are January, February, April, May, October, November and December (6km).
