September weather forecast
Rustavi, Georgia

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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.

Frequently asked questions

What are September temperatures?

In Rustavi, in September, the average high-temperature is 24.9°C (76.8°F), and the average low-temperature is 14.7°C (58.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 31°C (87.8°F).

What is the average humidity in September?

In September, the average relative humidity is 61%.

How many days does it rain in September?

In Rustavi, in September, it is raining for 13.3 days, with typically 30mm (1.18") of accumulated precipitation.

When it does not snow?

May through September are months without snowfall in Rustavi.

Does it snow in September?

In Rustavi, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Rustavi, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Rustavi?

In September, on the first day of the month, 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.

How many hours of sunshine does Rustavi have in September?

In Rustavi, the average sunshine duration in September is 8.9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Rustavi, Georgia

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Rustavi, Georgia
  • Average daylight in September: 12h and 3min

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 5min

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 - 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 - 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 - 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 - 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).

Rustavi, Georgia

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