September weather forecastBoisar, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Boisar, is also a moderately hot month, with an average temperature fluctuating between 25.1°C (77.2°F) and 28.6°C (83.5°F).Temperature
As Boisar welcomes September, the average high-temperature is noted at a still warm 28.6°C (83.5°F), closely aligning with the preceding month. Boisar's nocturnal average in September closely mirrors its daytime temperatures, settling at a still warm 25.1°C (77.2°F).Heat index
The heat index value for September is computed to be a hot 34°C (93.2°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Boisar, the average relative humidity in September is 83%.Rainfall
In September, in Boisar, the rain falls for 20.8 days. Throughout September, 185mm (7.28") of precipitation is accumulated. Throughout the year, there are 122.9 rainfall days, and 1273mm (50.12") of precipitation is accumulated.Daylight
The average length of the day in September in Boisar, India, is 12h and 15min.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 Boisar, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Boisar, 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
Boisar, 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
Boisar, 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
Boisar, 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
Boisar, 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
Boisar, 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 daylight in September /
Average sunshine in September
Boisar, 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: 11h and 0min).
- 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
Boisar, 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
Boisar, 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
Boisar, 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
Boisar, 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).
