September weather forecastDahanu, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a moderately hot month in Dahanu, India, with an average temperature ranging between max 28.6°C (83.5°F) and min 25.1°C (77.2°F).Temperature
A minor adjustment in Dahanu's average high-temperature is noted with the start of September, touching a still warm 28.6°C (83.5°F) from August's 28.1°C (82.6°F). September sees a slight dip to an average low temperature of 25.1°C (77.2°F) from the daytime highs.Heat index
During September, the heat index is computed to be a hot 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 83%.Rainfall
In September, the rain falls for 20.8 days. Throughout September, 185mm (7.28") of precipitation is accumulated. In Dahanu, during the entire year, the rain falls for 122.9 days and collects up to 1273mm (50.12") of precipitation.Sea temperature
In September, the average sea temperature is 28.5°C (83.3°F).Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
In Dahanu, the average length of the day in September is 12h and 16min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:54 pm. On the last day of September, sunrise is at 6:29 am and sunset at 6:28 pm IST.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Dahanu is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dahanu, India
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is April (32.7°C).
The month with the lowest average high temperature is January (28°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is June (27.6°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in September
Dahanu, India
- Average pressure in September: 1007.3mbar
The month with the highest atmospheric pressure is January (1014mbar).
The month with the lowest atmospheric pressure is July (1003.4mbar).
Average wind speed in September
Dahanu, India
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is July (20.1km/h).
The calmest month (with the lowest average wind speed) is October (9.4km/h).
Average humidity in September
Dahanu, India
- Average humidity in September: 83%
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are January and February (52%).
Average rainfall in September
Dahanu, India
- Average rainfall in September: 185mm
The wettest month (with the highest rainfall) is July (487mm).
The driest month (with the least rainfall) is April (0mm).
Average rainfall days in September
Dahanu, India
- Average rainfall days in September: 20.8 days
The months with the highest number of rainy days are July and August (29.2 days).
The month with the least rainy days is February (0.3 days).
Average sea temperature in September
Dahanu, India
- Average sea temperature in September: 28.5°C
The best month for swimming (with the highest average sea temperature) is June (29.9°C).
The coldest month (with the lowest average sea temperature) is February (24.3°C).
Average daylight in September /
Average sunshine in September
Dahanu, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 7h and 54min
The months with the most sunshine are February, April and May (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).
Average sunshine days in September
Dahanu, India
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is January (30 days).
The month with the least sunshine days is July (1.4 days).
Average UV index in September
Dahanu, India
- Average UV index in September: 7
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are January, July, August and December (UV index 6).
Average cloud cover in September
Dahanu, India
- Average cloud cover in September: 43
The month with the most cloud cover is July (Cloud cover 67).
The months with the least cloud cover are January and February (Cloud cover 4).
Average visibility in September
Dahanu, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).








