September weather forecastJamnagar, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Jamnagar, is another hot month, with an average temperature ranging between min 26.5°C (79.7°F) and max 30.9°C (87.6°F).Temperature
September welcomes an average high-temperature of a still hot 30.9°C (87.6°F), not much different from the preceding month. A consistent average low of 26.5°C (79.7°F) is noted throughout September, only a small step down from its daytime high.Heat index
The heat index value during September is appraised at a sweltering 39°C (102.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.The standards for the heat index are set for locations in shade and under light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September is 74%.Rainfall
In Jamnagar, India, in September, it is raining for 10.8 days, with typically 113mm (4.45") of accumulated precipitation. In Jamnagar, during the entire year, the rain falls for 64.2 days and collects up to 485mm (19.09") of precipitation.Sea temperature
In Jamnagar, in September, the average water temperature is 27.9°C (82.2°F).Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.
Daylight
The average length of the day in September is 12h and 17min.On the first day of September, sunrise is at 6:32 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:38 pm IST.
Sunshine
In September, the average sunshine in Jamnagar is 8.2h.UV index
In Jamnagar, India, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 7 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jamnagar, India
- Average high temperature in September: 30.9°C
The warmest month (with the highest average high temperature) is May (35.1°C).
The month with the lowest average high temperature is January (25.9°C).
- Average low temperature in September: 26.5°C
The month with the highest average low temperature is June (29°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure in September
Jamnagar, India
- Average pressure in September: 1005.8mbar
The month with the highest atmospheric pressure is January (1015.2mbar).
The month with the lowest atmospheric pressure is July (1000.5mbar).
Average wind speed in September
Jamnagar, India
- Average wind speed in September: 18.4km/h
The windiest month (with the highest average wind speed) is July (25.2km/h).
The calmest month (with the lowest average wind speed) is October (13.8km/h).
Average humidity in September
Jamnagar, India
- Average humidity in September: 74%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is December (42%).
Average rainfall in September
Jamnagar, India
- Average rainfall in September: 113mm
The wettest month (with the highest rainfall) is August (166mm).
The driest months (with the least rainfall) are January, February, April, May and December (0mm).
Average rainfall days in September
Jamnagar, India
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (19.4 days).
The months with the least rainy days are February and May (0.3 days).
Average sea temperature in September
Jamnagar, India
- Average sea temperature in September: 27.9°C
The best month for swimming (with the highest average sea temperature) is June (29.4°C).
The coldest month (with the lowest average sea temperature) is February (22.4°C).
Average daylight in September /
Average sunshine in September
Jamnagar, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are April and May (Average sunshine: 10h and 0min).
The months with the least sunshine are July and August (Average sunshine: 5h and 30min).
Average sunshine days in September
Jamnagar, India
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are March and December (30.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in September
Jamnagar, India
- Average UV index in September: 7
The months with the highest UV index are April, May and October (UV index 8).
The months with the lowest UV index are January, July, August and December (UV index 6).
Average cloud cover in September
Jamnagar, India
- Average cloud cover in September: 38
The months with the most cloud cover are July and August (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 3).
Average visibility in September
Jamnagar, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
