September could be a good time to visit Port Blair, as the weather is generally fine. The average high temperature is around +28°C, and there are typically 0 sunny days in September. However, expect about 29 rainy days, and total monthly rainfall of approximately 286 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
September is usually the wettest month of the year in Port Blair;
Average weather
☀️
+28°C
Avg. max. temperature
+25°C
Min.
+29°C
Max.
286 mm
Total precipitation
86%
Avg. humidity
5 m/s
Avg. wind
0 ☀️
Sunny Days
1 ⛅️
Cloudy
29 🌦
Rainy
Our opinion: Port Blair has OK weather in September.
Avionero - Smarter Travel Planning for a Better World
Cheapest prices on the market!
Check all your dates and date combinations in a single search!
Want inspiration, set your dates and find the cheapest destinations!
Saves your searches in the browser so you can easily return to them!
Donates 10% of all revenue to charity!
Average temperature in Port Blair in September
Here are the expected maximum, average and minimum temperatures in Port Blair for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +28°C with a maximum of +29°C and a minimum of +26°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +28°C to +28°C.
Is Port Blair warm or cold in September?
Port Blair is typically warm in September.
Maximum temperatures go up compared to the previous month from +28°C to +28°C. The minimum temperature also goes up from +26°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Port Blair:
Climate in Port Blair in September
Port Blair weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+28°C
+28°C
+28°C
Min. temperature
+25°C
+25°C
+25°C
Max. temperature
+29°C
+29°C
+29°C
Rainfall
260 mm
286 mm
227 mm
Wind
6 m/s
5 m/s
3 m/s
Humidity
85%
86%
84%
Air pressure
1007 HPa
1008 HPa
1009 HPa
Sunny days
0
0
1
Cloudy days
1
1
2
Rainy days
30
29
27
Snowy days
0
0
0
September weather is still as ok as in August.The temperature levels stay the same in the area of +28°C for average maximum temperature during the day.Prepare for more rain. Average rainfall goes from 260 mm to 286 mm.Humidity rises from 85% to 86%.Winds are calmer in comparison to August, going down from 6 m/s to 5 m/s on average.The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind speed in Port Blair in September based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Port Blair is gradually increasing during September, going from 4 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Port Blair based on historical data.
Last Year
Historical Data
Total precipitation in September is about 424 mm, with a 97% chance of rain on a typical day. The maximum amount of rainfall per day is around 60 mm, which is considered heavy rain.September is a pretty wet month with over 29 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Port Blair, here is a comparison with other months, total mm:
Port Blair wettest month is September, where a typical day has a 97% chance of precipitation and 286 mm of rainfall per day. February, on the other hand, is the driest month with a mere 21% chance of precipitation and 13 mm of rainfall per day.
How was the weather last September in Port Blair?
This is the weather in Port Blair in September 2024:
1 September
🌧️
+28°C
2 September
🌧️
+28°C
3 September
🌧️
+28°C
4 September
🌧️
+28°C
5 September
🌫️
+29°C
6 September
🌫️
+29°C
7 September
🌫️
+29°C
8 September
🌫️
+29°C
9 September
🌧️
+28°C
10 September
🌧️
+28°C
11 September
🌧️
+28°C
12 September
🌧️
+28°C
13 September
🌧️
+28°C
14 September
🌧️
+28°C
15 September
🌧️
+28°C
16 September
🌧️
+28°C
17 September
🌧️
+27°C
18 September
🌧️
+28°C
19 September
🌧️
+28°C
20 September
🌫️
+28°C
21 September
🌫️
+28°C
22 September
🌧️
+27°C
23 September
🌧️
+28°C
24 September
🌧️
+27°C
25 September
🌧️
+27°C
26 September
🌧️
+27°C
27 September
🌧️
+27°C
28 September
🌧️
+27°C
29 September
🌧️
+28°C
30 September
🌧️
+28°C
In September 2024 Port Blair had 0 sunny days, 0 cloudy days, and 24 rainy days. The average maximum temperature was +28°C, with an absolute maximum of +29°C and a minimum of +27°C. The average humidity was 87%, with a maximum of 94% and a minimum of 74%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Port Blair climate have been changing during last 43 years period.
The climate in Port Blair in September has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+28°C) and the highest in 2024 (+29°C). The driest year was 1979 with only 1186 mm of rainfall, and the wettest year was 1988 with 2535 mm.
FAQ
Frequently asked questions about the weather in Port Blair in September:
Is September a good time to visit Port Blair?
It’s always a good time to visit Port Blair, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Port Blair in September?
September is warm in Port Blair. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Port Blair rainy in September?
Port Blair is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Port Blair in September?
Usually, it’s not very sunny in Port Blair in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Port Blair, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
