September weather forecastNellore, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a hot month in Nellore, India, with an average temperature ranging between max 34.5°C (94.1°F) and min 26.9°C (80.4°F).Temperature
September's onset records a minor alteration in the average high-temperature to a tropical 34.5°C (94.1°F) from August's 35.3°C (95.5°F). Nighttime temperatures hover around an average low of 26.9°C (80.4°F) in September.Heat index
September's heat index is appraised at a blazing hot 45°C (113°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity is 62%.Rainfall
In Nellore, in September, during 13.1 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, there are 97 rainfall days, and 467mm (18.39") of precipitation is accumulated.Daylight
In Nellore, the average length of the day in September is 12h and 13min.On the first day of September in Nellore, sunrise is at 5:58 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:00 pm IST.
Sunshine
In September, the average sunshine is 10.2h.UV index
In September, the average daily maximum UV index in Nellore is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nellore, India
- Average high temperature in September: 34.5°C
The warmest month (with the highest average high temperature) is May (40.3°C).
The month with the lowest average high temperature is December (28.2°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is June (29.7°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).
Average pressure in September
Nellore, India
- Average pressure in September: 1006.5mbar
The month with the highest atmospheric pressure is January (1013.9mbar).
The month with the lowest atmospheric pressure is June (1003.7mbar).
Average wind speed in September
Nellore, India
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is July (17km/h).
The calmest month (with the lowest average wind speed) is January (9.7km/h).
Average humidity in September
Nellore, India
- Average humidity in September: 62%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Nellore, India
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is November (134mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in September
Nellore, India
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is October (15.4 days).
The month with the least rainy days is February (2.1 days).
Average daylight in September /
Average sunshine in September
Nellore, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Nellore, India
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is April (27.9 days).
The month with the least sunshine days is October (13.1 days).
Average UV index in September
Nellore, India
- Average UV index in September: 7
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Nellore, India
- Average cloud cover in September: 39
The months with the most cloud cover are July and August (Cloud cover 42).
The month with the least cloud cover is April (Cloud cover 9).
Average visibility in September
Nellore, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
