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Weather in Chitwan for September 2025

Your guide to Chitwan weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Chitwan is slightly cooler than the historical average by -0.7 °C.

  • The forecast for the coming days of September 2025 predicts a temperature of 31.2 °C , which is warmer than usual.

  • In general, the average temperature in Chitwan at the beginning of September is 26.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.7 °C by the end of September.

  • Rain 🌧️

  • Chitwan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 478.1 mm.

Average dry days
0
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/19°
Temperatures
Average wind speed
6 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Chitwan Weather September

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Temperatures trend during September in Chitwan

See the weather trend as well as the moving average line

September weather in Chitwan day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
26° /19° 15.6 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
27° /19° 15.7 mm 6
3 Sept. Torrential rain shower
Torrential rain shower
26° /19° 37 mm 6
4 Sept. Patchy light rain with thunder
Patchy light rain with thunder
26° /19° 27.5 mm 6
5 Sept. Patchy light rain with thunder
Patchy light rain with thunder
26° /19° 17.4 mm 6
6 Sept. Light rain shower
Light rain shower
26° /19° 15.2 mm 6
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /19° 22.7 mm 6
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /19° 9.8 mm 6
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /19° 27.5 mm 6
10 Sept. Light rain shower
Light rain shower
25° /18° 10.3 mm 6
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /19° 20.3 mm 6
12 Sept. Partly cloudy
Partly cloudy
26° /19° 11.8 mm 6
13 Sept. Moderate rain at times
Moderate rain at times
27° /19° 17.3 mm 6
14 Sept. Light rain shower
Light rain shower
25° /18° 10.3 mm 5
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /18° 23 mm 5
16 Sept. Light rain shower
Light rain shower
24° /18° 8.9 mm 6
17 Sept. Moderate rain
Moderate rain
25° /21° 12.8 mm 0.4
18 Sept. Moderate rain
Moderate rain
28° /21° 6.8 mm 0.8
19 Sept. Moderate rain
Moderate rain
28° /21° 14.6 mm 1.6
20 Sept. Moderate rain
Moderate rain
33° /21° 7.5 mm 2.8
21 Sept. Patchy rain possible
Patchy rain possible
33° /21° 2.6 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
32° /21° 4.6 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
32° /21° 0.2 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
33° /22° 2.2 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
33° /21° 2.1 mm 6
26 Sept. Sunny
Sunny
34° /21° 0 mm 7
27 Sept. Sunny
Sunny
35° /22° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
32° /22° 3.1 mm 6
29 Sept. Moderate rain
Moderate rain
28° /21° 6.3 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
27° /17° 4.1 mm 6
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Important Notice
Our weather forecast for Chitwan in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chitwan forecast closer to your planned date for the most up-to-date weather information.

Chitwan in September - FAQ

What are the expected maximum and minimum temperatures in Chitwan during September?
During September, expect a variety of temperatures with highs around 25° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chitwan during September?
Significant rainfall exceeding 478.1 mm is expected in Chitwan during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chitwan during September?
The average wind speed in Chitwan during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Chitwan

Explore the daily rainfall trends and prepare for Chitwans September weather 💧

UV exposure in Chitwan during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Chitwan?

Get accurate weather forecasts for Chitwan, located at latitude 27.677 and longitude 84.436. Stay updated with localized weather information tailored for Chitwan.

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