September weather forecast and climate
Surat, India

September, the last month of the rainy (monsoon) season, in Surat, is a hot month, with average temperature varying between 25.2°C (77.4°F) and 30.3°C (86.5°F).

Temperature

In Surat, India, the average high-temperature is practically the same as in August - a hot 30.3°C (86.5°F). The average low-temperature, in Surat, India, is 25.2°C (77.4°F).

Heat index

In September, the average heat index is evaluated at a very hot 38.6°C (101.5°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, differences in body mass, height, and shape, clothing). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Surat, it is raining for 17.1 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 99.6 rainfall days, and 382mm (15.04") of precipitation is accumulated.

Sea temperature

In Surat, the average seawater temperature in September is 28.4°C (83.1°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Surat, the average length of the day is 12.3h.

Sunshine

The average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Surat?

The average high-temperature, in September, is 30.3°C (86.5°F), while the average low-temperature is 25.2°C (77.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines both air temperature and relative humidity, in September is calculated to 38.6°C (101.5°F).

What is the average humidity in September in Surat?

The average relative humidity in September in Surat is 80%.

How much does it rain in Surat in September?

In Surat, India, during September, the rain falls for 17.1 days and regularly aggregates up to 65mm (2.56") of precipitation.

What is the water temperature in September in Surat?

In Surat, the average seawater temperature in September is 28.4°C (83.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Surat have in September?

In September, the average length of the day in Surat is 12.3h.

How long on average sun shines in September in Surat?

The average sunshine in September is 8.1h.

What is the UV index reading in September in Surat?

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in September - Surat, India
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is April (35.8°C).
The month with the lowest average high temperature is August (29.3°C).

  • Average low temperature in September: 25.2°C

The month with the highest average low temperature is June (28.3°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average pressure in September - Surat, India
  • Average pressure in September: 1007mbar

The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is July (1002.7mbar).

Average wind speed in September - Surat, India
  • Average wind speed in September: 12.4km/h

The windiest months (with the highest average wind speed) are June and July (19.8km/h).
The calmest month (with the lowest average wind speed) is October (8.8km/h).

Average humidity in September - Surat, India
  • Average humidity in September: 80%

The month with the highest relative humidity is August (85%).
Months with the lowest relative humidity are February and March (41%).

Average rainfall in September - Surat, India
  • Average rainfall in September: 65mm

The wettest month (with the highest rainfall) is July (135mm).
The driest months (with the least rainfall) are January, February, March, April and May (0mm).

Average rainfall days in September - Surat, India
  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (0.2 days).

Average sea temperature in September - Surat, India
  • Average sea temperature in September: 28.4°C

The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (22.1°C).

Average daylight in September / Average sunshine in September - Surat, India
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is May (Average sunshine: 10.7h).
The month with the least sunshine is July (Average sunshine: 5.5h).

Average sunshine days in September - Surat, India
  • Average sunshine days in September: 8 days

The month with the most sunshine days is March (30.4 days).
Months with the least sunshine days are July and August (2.2 days).

Average UV index in September - Surat, India
  • Average UV index in September: 7

Months with the highest UV index are April and May (UV index 8).
Months with the lowest UV index are January, July, August and December (UV index 6).

Average cloud cover in September - Surat, India
  • Average cloud cover in September: 41

The month with the most cloud cover is July (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 4).

Average visibility in September - Surat, India
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).