September weather forecastRustavi, Georgia
September
Weather in September
September embraces the autumn season, and Rustavi starts experiencing a gradual chill in its weather. Marked by rainfall of 30mm (1.18"), it marks the last significant rainfall of the year. The falling leaves and cooling temperatures provide a welcome change from the summer heat. As the days start to get shorter, people appreciate the change in atmosphere and cooler temperatures. Although chillier evenings return, they are comfortably fresh compared to the freezing winters.Temperature
A change in temperatures is noted as August gives way to September, with average highs reducing from a hot 30.1°C (86.2°F) to a moderately hot 24.9°C (76.8°F). Rustavi reports an average low-temperature of 14.7°C (58.5°F) during the nights of September.Humidity
The average relative humidity in September is 61%.Rainfall
In Rustavi, during September, the rain falls for 13.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 128.9 rainfall days, and 310mm (12.2") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Rustavi is 12h and 29min.On the first day of September in Rustavi, sunrise is at 06:26 and sunset at 19:33. On the last day of the month, sunrise is at 06:55 and sunset at 18:43 +04.
Sunshine
In Rustavi, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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
Rustavi, Georgia
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is July (18.9°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Rustavi, Georgia
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Rustavi, Georgia
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is November (6.7km/h).
Average humidity in September
Rustavi, Georgia
- Average humidity in September: 61%
The month with the highest relative humidity is January (70%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Rustavi, Georgia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is December (9mm).
Average rainfall days in September
Rustavi, Georgia
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Rustavi, Georgia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (64mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Rustavi, Georgia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Rustavi, Georgia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in September
Rustavi, Georgia
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Rustavi, Georgia
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Rustavi, Georgia
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Rustavi, Georgia
- Average visibility in September: 10km
The months with the highest visibility are March, May, June, July, August, September and December (10km).
The months with the lowest visibility are January, February, April, October and November (9km).
