September weather forecastSis, Azerbaijan
September
Weather in September
The first month of the autumn, September, is still a warm month in Sis, Azerbaijan, with an average temperature varying between 23.9°C (75°F) and 15.4°C (59.7°F).Temperature
The arrival of September corresponds with a reduction in the average high-temperature, down from August's warm 28.9°C (84°F) to a still moderately hot 23.9°C (75°F). Throughout September, the nighttime temperature in Sis averages to a mild 15.4°C (59.7°F).Humidity
In September, the average relative humidity is 56%.Rainfall
In September, in Sis, the rain falls for 9.4 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Sis, during the entire year, the rain falls for 106 days and collects up to 230mm (9.06") of precipitation.Snowfall
In Sis, Azerbaijan, snow does not fall in May through September.Daylight
In Sis, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:13 and sunset at 19:18. On the last day of September, sunrise is at 06:41 and sunset at 18:29 +04.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September in Sis, Azerbaijan, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sis, Azerbaijan
- Average high temperature in September: 23.9°C
The warmest month (with the highest average high temperature) is July (30.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Sis, Azerbaijan
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is November (1022.4mbar).
The month with the lowest atmospheric pressure is July (1009.9mbar).
Average wind speed in September
Sis, Azerbaijan
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in September
Sis, Azerbaijan
- Average humidity in September: 56%
The month with the highest relative humidity is February (74%).
The month with the lowest relative humidity is July (43%).
Average rainfall in September
Sis, Azerbaijan
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is May (27mm).
The driest month (with the least rainfall) is December (14mm).
Average rainfall days in September
Sis, Azerbaijan
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Sis, Azerbaijan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (128mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sis, Azerbaijan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 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
Sis, Azerbaijan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Sis, Azerbaijan
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in September
Sis, Azerbaijan
- 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 and December (UV index 2).
Average cloud cover in September
Sis, Azerbaijan
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 13).
Average visibility in September
Sis, Azerbaijan
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
